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Animals That Start With The Letter F

Updated: Aug 9, 2023

Fluff up your curiosity, because we're about to frolic into the fascinating realm of animals that start with the letter "F"! From the frolicking forest dwellers to the fearless fliers of the skies, this adventure promises a fun-filled expedition through the wild world of the animal alphabet. Whether furry or feathery, finned or fantastic, these "F"-ueled creatures are here to flaunt their unique charm and captivating stories. So, fasten your seatbelts as we dive into a frenzy of facts and fables, discovering the fantastic and furry animals that kick-start with the letter "F"!


Let's Explore Animals That Start With The Letter F!

Fairy-Wren standing on a twig.

Fairy-Wren

Fairy-wrens are small, colorful birds that are found in Australia and New Guinea. There are several species of fairy-wrens, including the superb fairy-wren, the splendid fairy-wren, and the mangrove fairy-wren. Fairy-wrens are known for their bright, colorful plumage, which is typically blue, violet, or green in color, and their small size, with adults reaching an average length of about 4-5 inches. Fairy-wrens are found in a variety of habitats, including forests, woodlands, and wetlands, and they are known for their active, energetic behavior and their distinctive, high-pitched calls. Fairy-wrens are omnivorous and feed on a variety of plant and animal matter, including insects, nectar, and fruit. They are popular among birdwatchers and are often considered to be a symbol of the Australian bush.


Falcon standing on a branch.

Falcon

Falcons are birds of prey that are known for their strong, agile flight and their keen eyesight. There are many species of falcons, including peregrine falcons, merlin falcons, and kestrel falcons, which are found on every continent except Antarctica. Falcons are carnivorous and feed on a variety of prey, including small mammals, birds, and reptiles. They are skilled hunters and use their powerful wings and sharp talons to capture their prey in mid-flight. Falcons are popular as hunting birds and are used by falconers for sport and pest control. They are also popular as pets and are known for their intelligence, trainability, and loyal nature. Falcons are protected by law in many parts of the world and are considered to be a species of conservation concern due to habitat loss and other threats.


Closeup of Fallow Deer standing in a meadow.

Fallow Deer

Fallow deer are a species of deer that are native to Europe and Asia. They are medium-sized deer, with males reaching an average weight of about 120-250 pounds and females reaching an average weight of about 90-150 pounds. Fallow deer are known for their distinctive appearance, which is characterized by their large, palmate antlers and their light-colored coat, which is typically reddish-brown in the summer and grey-brown in the winter. Fallow deer are found in a variety of habitats, including forests, woodlands, and grasslands, and they are known for their ability to adapt to a variety of environments. Fallow deer are herbivorous and feed on a variety of plant matter, including leaves, twigs, and fruits. They are popular as game animals and are hunted for their meat and their antlers. Fallow deer are also popular as pets and are often kept in deer parks and other enclosed areas.


False Cobra

The false cobra, also known as the "false water cobra" or the "annulated sea snake," is a species of venomous sea snake that is found in the coastal waters of the western Pacific Ocean. It is a large, aquatic snake, with adults reaching an average length of about 5-6 feet, and it is known for its distinctive appearance, which is characterized by a series of dark, banded markings on a light-colored background. False cobras are venomous and are capable of delivering a bite that can be dangerous to humans, but they are generally not aggressive and will only bite if they feel threatened. They are found in a variety of marine environments, including coral reefs, estuaries, and mangrove forests, and they are well-adapted to life in the water, with long, laterally-flattened bodies and paddle-like tails. False cobras are not considered to be a major conservation concern and are not protected by law in most parts of their range.


False Coral Snake slithering across the dirt.

False Coral Snake

The false coral snake, also known as the "Sonoran coral snake," is a species of venomous snake that is found in the desert regions of the southwestern United States and northern Mexico. It is a small, slender snake, with adults reaching an average length of about 2-3 feet, and it is known for its distinctive appearance. The false coral snake is often confused with the venomous coral snake, which is found in the southeastern United States, and it is often referred to as a "coral snake mimic." However, it is not as venomous as the true coral snake and is not considered to be a major threat to humans. The false coral snake is found in a variety of desert habitats, including rocky canyons, dry washes, and grasslands, and it is most active at night.


Feist dog standing underneath the shade of a tree.

Feist

Feists are small to medium-sized dogs that are known for their energetic, alert, and playful personalities. They are a type of terrier and are related to other small terrier breeds such as the Jack Russell Terrier and the Patterdale Terrier. Feists are generally smaller than many other terrier breeds, with adults reaching an average height of about 12-16 inches and a weight of around 15-30 pounds. They have a short, smooth coat that is typically black, brown, or red in color, and they have a keen sense of smell and are well-suited to a variety of activities, including hunting, tracking, and agility. Feists are intelligent, trainable, and loyal dogs that are well-suited to life as pets and companions. They are generally healthy and hardy dogs, but they can be prone to certain health issues such as hip dysplasia and eye problems.

Fennec Foxes cuddling on a rock.

Fennec Fox

The fennec fox is a small, nocturnal species of fox that is native to the Sahara Desert in North Africa. It is known for its distinctive appearance, which is characterized by its small size, large ears, and pale, sandy-colored coat. Fennec foxes are adapted to life in the desert and are able to survive in harsh, arid environments by obtaining most of their water from the food that they eat. They are omnivorous and feed on a variety of plant and animal matter, including insects, fruit, and small rodents. Fennec foxes are popular as pets due to their small size and their cute, exotic appearance, but they can be challenging to care for due to their specialized diet and their need for a well-ventilated, temperature-controlled environment. Fennec foxes are generally social animals and are known to form strong bonds with their owners.


Fer-de-lance Snake coiled up in a cage.

Fer-de-lance Snake

The fer-de-lance, also known as the "Terciopelo" or the "Viper," is a venomous snake that is found in the rainforests and other humid environments of Central and South America. It is a large, heavy-bodied snake, with adults reaching an average length of about 5-7 feet, and it is known for its distinctive pattern, which is characterized by a series of dark, diamond-shaped markings on a light-colored background. Fer-de-lance snakes are highly venomous and are responsible for a significant number of snakebites in the regions where they are found. They are generally aggressive and will attack when provoked, but they are also known to be unpredictable and may bite without provocation. Fer-de-lance snakes are found in a variety of habitats, including forests, grasslands, and wetlands, and they are most commonly associated with rainforests and other humid environments. They are nocturnal animals and are most active at night.


Ferret being fed medicine through an eye drop.

Ferret

Ferrets are small, carnivorous mammals that are closely related to weasels, minks, and otters. They are domesticated animals and have been kept as pets for thousands of years. Ferrets are known for their long, slender bodies, their short legs, and their long, pointed faces. They have a long, thick coat that is typically brown, black, or white in color, and they have a musky scent. Ferrets are intelligent, energetic, and playful animals that are well-suited to a variety of activities, including play and training. They are generally friendly and social animals and are known for their ability to get along well with people and other animals. Ferrets are generally easy to care for, but they do have some specific care requirements, including a high-quality diet, regular grooming, and plenty of opportunities for exercise and play.


Ferruginous Hawk standing on a fence post in a field.

Ferruginous Hawk

The ferruginous hawk is a large, predatory bird that is native to North America. It is a member of the hawk family and is known for its distinctive reddish-brown coloration and its large size, with adults reaching an average length of about 22-26 inches and a wingspan of up to 4.5 feet. Ferruginous hawks are found in a variety of habitats, including grasslands, deserts, and agricultural areas, and they are most commonly found in the western United States. They are skilled hunters and feed on a variety of prey, including small mammals, reptiles, and birds. Ferruginous hawks are threatened by habitat loss and are protected by law in many parts of their range. They are known for their distinctive vocalizations, which include a series of high-pitched, shrill calls.


Fiddler Crab walking on the beach.

Fiddler Crab

Fiddler crabs are small, semi-terrestrial crabs that are found in a variety of coastal environments around the world, including mangrove forests, estuaries, and beaches. They are known for their distinctive appearance, which is characterized by one large claw that is much larger than the other. The larger claw is used for a variety of purposes, including communication, defense, and digging. Fiddler crabs are omnivorous and feed on a variety of plant and animal matter, including algae, detritus, and small invertebrates. They are an important part of many coastal ecosystems and play a role in the cycling of nutrients and the maintenance of the physical structure of the habitat. Fiddler crabs are popular among people as pets and are often kept in home aquariums. They are easy to care for and are known for their playful, energetic personality.


Field Spaniel playing fetch.

Field Spaniel

The Field Spaniel is a breed of dog that is classified as a spaniel, a type of gun dog that was originally bred for hunting. It is a medium-sized breed, with males reaching an average height of about 17-18 inches and females reaching an average height of about 16-17 inches. Field Spaniels are known for their long, silky coat, which is typically liver, black, or roan in color. They have a muscular, athletic build and a friendly, outgoing personality. Field Spaniels are intelligent, energetic, and playful dogs that are well-suited to a variety of activities, including hunting, obedience, and agility. They are generally healthy and hardy dogs, but they can be prone to certain health issues such as hip dysplasia and eye problems. Field Spaniels are loyal and affectionate companions and are well-suited to life in a variety of settings, including the home and the field.


Fierce Snake

The fierce snake, also known as the inland taipan or the "most venomous snake in the world," is a species of venomous snake that is native to Australia. It is a small to medium-sized snake, with adults reaching an average length of about 2-6 feet. The fierce snake is known for its highly toxic venom, which contains a mixture of neurotoxins, coagulants, and haemolysins that can cause rapid paralysis and death in humans and other animals. Despite its reputation as the most venomous snake in the world, the fierce snake is generally not aggressive and will only bite if it feels threatened. It is found in a variety of habitats, including grasslands, woodlands, and wetlands, and is most commonly found in central and western Australia. The fierce snake is protected by law in Australia and is considered to be a species of conservation concern due to habitat loss and other threats.


Figeater Beetle

The figeater beetle (Cotinis mutabilis) is a species of beetle that is native to the southwestern United States and parts of Mexico. It is a large, metallic green beetle that is commonly found in gardens, where it feeds on a variety of fruits, including figs, peaches, and plums. Figeater beetles are also known as green fruit beetles or fig beetles, and they are attracted to ripe or overripe fruit. They are generally harmless to humans and are not considered to be a major pest, but they can cause damage to crops and gardens if they are present in large numbers. Figeater beetles are active during the day and are most commonly seen during the summer months. They are generally easy to identify due to their large size and distinctive green coloration.


Fila Brasileiro

The Fila Brasileiro is a large, muscular breed of dog that is native to Brazil. It is also known as the Brazilian Mastiff. Fila Brasileiros are known for their strong, protective nature and their ability to excel as guard dogs. They are large dogs, with males reaching an average height of about 26-29 inches and females reaching an average height of about 24-27 inches. Fila Brasileiros have a short, smooth coat that is typically fawn, brindle, or black in color, and they have a distinctive, wrinkled face. They are intelligent, loyal, and devoted dogs that are well-suited to a variety of roles, including protection, obedience, and tracking. Fila Brasileiros are generally healthy and hardy dogs, but they can be prone to certain health issues such as hip dysplasia and eye problems.


Fin Whale

The fin whale is a species of baleen whale that is found in the oceans of the world. It is the second largest species of whale, after the blue whale, and can reach an average length of about 70-85 feet and a weight of up to 80 tons. Fin whales are known for their distinctive shape, which is characterized by a long, streamlined body and a tall, triangular dorsal fin. They are found in a variety of marine environments, including open oceans, coastal waters, and estuaries, and they are typically found in cooler, temperate waters. Fin whales are migratory animals and are known for their long, annual migrations between feeding and breeding grounds. They are endangered and are protected by law in many countries. Fin whales are known for their distinctive vocalizations, which are among the loudest of any animal and can be heard over great distances.



Finnish Lapphund laying in tall grass.

Finnish Lapphund

The Finnish Lapphund is a breed of dog that is native to Finland, where it was originally used as a herding dog. It is a medium-sized breed, with males reaching an average height of about 20-21 inches and females reaching an average height of about 18-19 inches. Finnish Lapphunds have a thick, double coat that is typically black, brown, or sable in color, and they have a distinctive, fox-like appearance. They are energetic, intelligent, and playful dogs that are well-suited to a variety of activities, including herding, agility, and obedience. Finnish Lapphunds are known for their friendly, outgoing nature and their ability to get along well with people and other animals. They are generally healthy and hardy dogs, but they can be prone to certain health issues such as hip dysplasia and eye problems.


Finnish Spitz

The Finnish Spitz is a breed of dog that is native to Finland, where it was originally used as a hunting dog. It is a medium-sized breed, with males reaching an average height of about 20-25 inches and females reaching an average height of about 15-20 inches. Finnish Spitz are known for their fox-like appearance and their thick, golden-red coat. They have a distinctive, curly tail and a sharp, alert expression. Finnish Spitz are energetic, intelligent, and playful dogs that are well-suited to a variety of activities, including hunting, agility, and obedience. They are known for their friendly, outgoing nature and their ability to get along well with people and other animals. Finnish Spitz are generally healthy and hardy dogs, but they can be prone to certain health issues such as hip dysplasia and eye problems.


Fire Ball Python coiled up.

Fire Ball Python

The Fire ball python is a color morph of the ball python, a species of nonvenomous snake that is native to Africa. The Fire ball python gets its name from its distinctive coloration, which is characterized by a bright red or orange color. The color is created by a combination of genetic mutations that affect the color of the snake's scales. Fire ball pythons are popular among reptile enthusiasts and are prized for their unique appearance. They are generally small to medium-sized snakes, with adults reaching an average length of around 3-5 feet. Like all ball pythons, they are generally docile and are popular as pets due to their small size and manageable temperament.


Fire Eel

The fire eel is a species of eel that is native to Southeast Asia and is found in the Mekong, Chao Phraya, and other rivers in the region. It is a large, predatory species that can grow to be up to 3-4 feet in length and is known for its distinctive red or orange coloration. The fire eel is a popular species in the aquarium trade, and it is known for its hardy nature and its ability to adapt to a variety of environments. It is a nocturnal species and is generally peaceful, but it may become aggressive towards smaller fish if it feels threatened. Fire eels are carnivorous and require a diet of live or frozen foods, such as worms, insects, and small fish. They are sensitive to changes in water quality and require a well-maintained aquarium in order to thrive.


Fire Salamander standing on fall leaves.

Fire Salamander

The fire salamander is a species of salamander that is found in Europe and parts of Asia. It is a medium-sized salamander, with adults reaching an average length of about 6-8 inches. The fire salamander is named for its distinctive coloration, which is characterized by a black background with bright yellow or orange spots. It is found in a variety of habitats, including forests, meadows, and wetlands, and it is most commonly associated with deciduous and mixed forests. The fire salamander is an amphibian and spends part of its life in the water and part of its life on land. It is a carnivorous species and feeds on a variety of small animals, including insects, worms, and snails. The fire salamander is protected by law in many countries and is considered to be a species of conservation concern due to habitat loss and other threats.


Fire-Bellied Toad

The fire-bellied toad is a small, aquatic species of toad that is native to Asia. It is known for its distinctive coloration, which is characterized by a bright green or yellow background with black spots and a red or orange belly. Fire-bellied toads are found in a variety of wetland habitats, including marshes, swamps, and streams, and they are most commonly found in China, Japan, and Korea. They are small to medium-sized toads, with adults reaching an average length of around 2-3 inches. Fire-bellied toads are popular as pets due to their small size, attractive appearance, and relatively simple care requirements. They are generally hardy and easy to care for, but they can be sensitive to changes in their environment and may require special care in order to thrive.


Fireflies glowing in the dark.

Firefly

Fireflies are a type of insect that is known for their ability to produce light, which is used for a variety of purposes, including communication and mating. Fireflies are found in a variety of habitats around the world, including forests, meadows, and wetlands, and they are most commonly associated with tropical and subtropical regions. Fireflies are nocturnal insects and are most active on warm, humid nights. They have a wide range of colors, including yellow, green, and red, and they use their light production to attract mates and deter predators. Fireflies are important ecologically because they are important pollinators and are also an important food source for other animals. They are also popular among people for their beauty and the enjoyment of watching their light displays.


Firefly Ball Python

The Firefly ball python is a color morph of the ball python, a species of nonvenomous snake that is native to Africa. The Firefly ball python gets its name from its distinctive pattern, which is characterized by a series of yellow and orange spots that resemble the lights of a firefly. The pattern is created by a combination of genetic mutations that affect the color and pattern of the snake's scales. Firefly ball python are popular among reptile enthusiasts and are prized for their unique appearance. They are generally small to medium-sized snakes, with adults reaching an average length of around 3-5 feet. Like all ball pythons, they are generally docile and are popular as pets due to their small size and manageable temperament.


Fish swimming in a pond.

Fish

Fish are aquatic animals that are found in a variety of freshwater and marine environments around the world. There are over 32,000 known species of fish, and they are characterized by their gills, which allow them to extract oxygen from the water, and their fins, which they use to swim. Fish are cold-blooded vertebrates and come in a wide range of sizes, shapes, and colors. They are an important source of food for people and other animals, and they play important roles in many ecosystems as predators, prey, and scavengers. Fish are also popular pets, and there are many different species that are kept in home aquariums. Fish can be classified into several major groups, including bony fish, cartilaginous fish, and jawless fish.


Fishing Cat licking its lips.

Fishing Cat

The fishing cat is a medium-sized cat that is native to the wetlands of South and Southeast Asia. It is a carnivorous species that is adapted to life in wetland environments, and it is named for its habit of hunting fish as a primary food source. Fishing cats are agile swimmers and are able to catch fish and other aquatic prey using their sharp claws and strong paws. They are generally nocturnal and are found in a variety of habitats, including marshes, swamps, and mangroves. Fishing cats are threatened by habitat loss and are considered to be vulnerable to extinction. They are protected by law in many of the countries where they are found, and conservation efforts are underway to help protect and preserve this species.


Flamingos standing in water.

Flamingo

Flamingos are a group of large, wading birds that are known for their distinctive pink or orange coloration and their long, thin legs. They are found in parts of Africa, Asia, the Americas, and Europe, and they are most commonly associated with tropical and subtropical regions. Flamingos are known for their unique feeding habits, which involve filtering small organisms and algae from the water using their specialized beaks. They are social animals and are usually found in large groups called colonies. Flamingos are often associated with the image of a tropical paradise, and they are popular among tourists and as symbols in popular culture. There are six species of flamingo, including the Greater Flamingo, the Lesser Flamingo, the American Flamingo, the Andean Flamingo, the James's Flamingo, and the Chilean Flamingo.


Flat-Coated Retriever

The Flat-Coated Retriever is a breed of dog that is known for its intelligence, versatility, and friendly personality. They are medium to large dogs, with males reaching an average height of around 25-27 inches and females reaching an average height of around 23-25 inches. Flat-Coated Retrievers have a long, thick coat that is shiny and black in color, and they have a distinctive, elegant appearance. They are energetic, playful dogs that are well-suited to a variety of activities, including hunting, obedience, agility, and therapy work. Flat-Coated Retrievers are known for their friendly, outgoing nature and their ability to get along well with people and other animals. They are generally healthy and hardy dogs, but they can be prone to certain health issues such as hip dysplasia and cancer.


Flathead Catfish

The flathead catfish is a species of catfish that is native to the Mississippi, Missouri, and Ohio River basins in the United States. It is a large species, with adults reaching an average length of about 3-4 feet and a weight of up to 80 pounds. Flathead catfish are known for their flat, triangular head and their brown or yellowish coloration. They are found in a variety of freshwater habitats, including rivers, streams, and reservoirs, and they are most commonly found in areas with slow-moving water and a sandy or muddy bottom. Flathead catfish are opportunistic feeders and will eat a wide range of prey, including fish, crayfish, and insects. They are popular among anglers and are considered to be good food fish due to their firm, white flesh.

Flea

Fleas are small, wingless insects that are known for their ability to jump long distances. They are found in a variety of habitats around the world and are known for their ability to infest animals and humans. Fleas are ectoparasites, which means that they live on the outside of their host's body and feed on their blood. Fleas are small, ranging in size from about 1/16-1/8 inch in length, and they are generally dark brown or black in color. They have a flattened body and are covered in scales, which helps them to move easily through the fur or feathers of their host. Fleas are known for their ability to transmit diseases, and they can cause a variety of health problems in animals and humans, including skin irritation, allergies, and infections.


Flea Beetle

Flea beetles are a type of insect that belongs to the family Chrysomelidae. There are many different species of flea beetles, and they are found in a variety of habitats around the world. Flea beetles are small insects, with adults ranging in size from about 1/16-1/4 inch in length. They are named for their ability to jump long distances, which is made possible by their powerful hind legs. Flea beetles are known for their feeding habits, which involve feeding on the leaves and stems of plants. They can cause damage to a wide range of crops, including vegetables, flowers, and fruit trees. Flea beetles are generally not a major threat to human health, but they can be a nuisance due to their feeding habits and their ability to transmit plant diseases.


Closeup of a Fleckvieh Cattle.

Fleckvieh Cattle

Fleckvieh cattle are a breed of dairy cattle that is native to Germany and Austria. They are known for their high milk production and their ability to adapt to a variety of climates and environments. Fleckvieh cattle are large animals, with adults weighing around 1,600-2,200 pounds. They have a distinctive white and brown spotted coat, and they are known for their calm and docile temperament. Fleckvieh cattle are used primarily for milk production, but they are also used for beef production in some areas. They are known for their high milk yields, which can reach up to 8,500 pounds per lactation, and for their high milk fat and protein content. Fleckvieh cattle are also used for crossbreeding in order to improve the milk production and other traits of other breeds.


Florida Gar

Florida gar is a species of fish that is native to the southeastern United States, including Florida. It is a large, predatory species that is found in freshwater rivers, streams, and lakes. Florida gar are generally olive green or brown in color and have a long, slender body with a row of sharp teeth. They can grow to be up to 5 feet in length and can weigh up to 50 pounds. Florida gar are popular among anglers and are considered to be good food fish.


Florida Panther laying next to a fallen log covered in moss.

Florida Panther

The Florida panther is a subspecies of the North American cougar that is native to the southeastern United States, including Florida. It is a large, carnivorous cat that is found in a variety of habitats, including swamps, forests, and grasslands. Florida panthers are endangered and are protected by state and federal law. They are known for their tawny coat, long tail, and distinctive facial markings. Florida panthers are generally solitary animals and are active at night. They are skilled hunters and feed on a variety of prey, including deer, wild pigs, and small mammals.


Florida Woods Cockroach

The Florida woods cockroach, also known as the palmetto bug, is a species of cockroach that is native to the southeastern United States, including Florida. It is a large species, with adults reaching an average length of about 1-2 inches. Florida woods cockroaches are dark brown to black in color and have a glossy appearance. They are found in a variety of habitats, including forests, fields, and urban areas, and they are commonly found in trees and other wooded areas. Florida woods cockroaches are not typically found inside homes, but they may enter buildings if they are attracted to light or food. They are not considered to be a major pest and are generally not harmful to humans, but they can be a nuisance due to their size and their tendency to fly.


Flour Beetle

Flour beetles are a type of insect that belongs to the family Tenebrionidae. There are several species of flour beetles, including the red flour beetle and the confused flour beetle. Flour beetles are small, brown or reddish-brown insects that are commonly found in stored grain products such as flour, cereals, and rice. They are pests of stored grains and can contaminate food products with their feces and shed skin. Flour beetles are generally less than 1/4 inch in length and have a narrow, elongated body. They have a lifespan of about 2-3 years and can produce several generations per year. Flour beetles are difficult to control once they infest a food product, and prevention is the best way to avoid an infestation. This can include storing grains in airtight containers and regularly inspecting and cleaning storage areas.


Flowerhorn Fish swimming in turquoise water.

Flowerhorn Fish

Flowerhorn fish are a hybrid species of cichlid fish that are popular in the aquarium trade. They are known for their bright colors and distinctive head protuberances, which are called "kok" or "nuchal hump." Flowerhorn fish are the result of selective breeding of various cichlid species, and they are prized for their unique appearance. They are generally large, robust fish, with males reaching an average size of about 12-14 inches and females reaching an average size of about 8-10 inches. Flowerhorn fish are native to Central and South America, and they are found in a variety of freshwater habitats, including rivers, streams, and lakes. They are generally peaceful fish, but they can be territorial and may become aggressive towards other fish if they feel threatened.


Fluke Fish (summer flounder)

Fluke fish, also known as flounder, are a type of flatfish that is found in the coastal waters of the Atlantic, Pacific, and Arctic Oceans. Fluke fish are characterized by their oval-shaped, symmetrical bodies and their ability to lie on the bottom of the ocean and blend in with their surroundings. They have both eyes on one side of their head, which allows them to see predators and prey from below. Fluke fish are popular for commercial and recreational fishing, and they are considered to be a good food fish due to their delicate, mild flavor. They are usually found at depths of up to 600 feet and can grow to be up to 3 feet in length.


Fly standing on a blade of grass.

Fly

Flies are a type of insect that is found in a variety of habitats around the world. There are many different species of flies, and they are characterized by their small size, slender bodies, and two wings. Flies are known for their ability to fly and are among the most agile of all insects. They are also known for their ability to transmit diseases, as they are attracted to decaying matter and can carry pathogens on their bodies. Flies have a wide range of feeding habits, depending on the species. Some species feed on nectar and pollen, while others feed on carrion or animal waste. Flies are important ecologically because they play a role in decomposition and nutrient cycling, but they can also be a nuisance to humans due to their ability to transmit diseases and their habit of congregating around food and other sources of attraction.


Flycatcher

Flycatchers are a large group of birds that are found in a variety of habitats around the world. They are named for their feeding behavior, which involves catching insects in mid-air using their beaks. Flycatchers are typically small to medium-sized birds, with slender bodies and long, pointed wings. They have a wide range of plumage patterns, including brightly colored species and more subdued, drab species. Flycatchers are generally active during the day and are known for their active, agile flight. They are often seen perched on a branch or other lookout point, from which they watch for passing insects. Flycatchers are important ecologically because they help to control insect populations, and many species are also important to local cultures and economies due to their role as indicators of ecosystem health.


Flying Fish

Flying fish are a group of marine fish that are found in the open waters of tropical and subtropical oceans around the world. They are named for their ability to "fly" out of the water and glide through the air using their large, wing-like pectoral fins. Flying fish are generally small to medium-sized fish, with adults ranging in size from about 6-12 inches in length. They have a streamlined body and long, slender pectoral fins that they use to propel themselves out of the water and into the air. Flying fish are found in a variety of ocean habitats, including near the surface of the water and at deeper depths. They are generally preyed upon by larger marine animals such as dolphins and tuna, and they use their ability to fly as a means of escape.


Flying Lemur

The flying lemur, also known as the colugo or the gliding lemur, is a species of arboreal mammal that is native to Southeast Asia. It is not a true lemur and is not closely related to other primates, but it is called a "lemur" due to its lemur-like appearance and behavior. The flying lemur is a nocturnal animal and is known for its ability to glide through the air using a membrane of skin between its arms and legs. It is not capable of true flight like birds, but it can glide long distances by leaping from a high perch and spreading its skin to create a wing-like structure. Flying lemurs are slow-moving animals and are mostly found in the canopy of rainforests. They are herbivorous and feed on a variety of plant material, including leaves, shoots, and fruits.


Flying Snake

Flying snakes are a group of venomous snakes that are found in the rainforests of South and Southeast Asia. They are known for their ability to glide through the air by flattening their bodies and undulating from side to side. Flying snakes are not capable of true flight like birds, but they can glide long distances by leaping from a high perch and spreading their ribs to create a flattened, wing-like structure. They use their gliding ability to move between trees and to evade predators. There are several species of flying snakes, and they are generally small to medium-sized snakes, with adults reaching an average length of around 3-5 feet. Flying snakes are venomous, but they are not considered to be dangerous to humans.


Flying Squirrel

Flying squirrels are small, nocturnal rodents that are found in forests around the world. There are many different species of flying squirrel, and they are known for their ability to glide through the air using a parachute-like membrane called a patagium. Flying squirrels are not capable of true flight like birds, but they can glide long distances by leaping from a high perch and spreading their patagium. They use their gliding ability to move between trees and to evade predators. Flying squirrels are omnivorous and feed on a variety of plant and animal matter, including nuts, seeds, fruits, insects, and small invertebrates. They are generally shy and elusive animals and are not commonly seen by humans.


Football Fish

The football fish, also known as the deepsea footballfish or the football squid, is a species of deep-sea fish that is found in the Atlantic and Pacific Oceans. It is a small species, with adults reaching a maximum length of about 20 cm. The football fish is named for its distinctive, football-shaped head and large, luminous eyes, which help it to see in the low light conditions of the deep sea. It has a long, slender body and long, pointed tentacles that it uses to capture prey. The football fish is a predatory species and feeds on small fish and other marine animals. It is not a popular species for commercial fishing and is not widely known among the general public.


Forest Cobra

The forest cobra, also known as the African forest cobra or the black-necked cobra, is a venomous species of cobra that is found in the rainforests and other wooded areas of West and Central Africa. It is a large snake, reaching an average length of around 6-7 feet, and is known for its distinctive black and yellow coloration. Forest cobras are venomous and their bite can be dangerous to humans, but they are generally not aggressive and will only bite if they feel threatened. They are nocturnal animals and are most active at night, when they hunt for prey such as rodents, birds, and other small animals. Forest cobras are not considered to be endangered, but their populations are declining due to habitat loss and the illegal pet trade.


Formosan Mountain Dog

The Formosan Mountain Dog is a breed of dog that is native to Taiwan. It is a medium to large breed with a strong, muscular build and a dense, weather-resistant coat. Formosan Mountain Dogs come in a variety of colors, including black, brindle, and red. They have a long, thick tail and a distinctive black mask on their face. Formosan Mountain Dogs are intelligent and loyal dogs that are known for their protective nature. They are good watchdogs and make good guard dogs, but they can be aggressive towards strangers if not properly trained and socialized. Formosan Mountain Dogs are energetic and require regular exercise. They are not well-suited to apartment living and are best suited for homes with large yards or acreage.


Fossa

The fossa is a carnivorous mammal that is native to Madagascar. It is the largest predator on the island and is known for its long, slender body and its semi-retractable claws. Fossas have a short, dark brown coat and a long, bushy tail. They are agile climbers and are often found in forests and other wooded areas. Fossas are solitary animals and are active at night. They are skilled hunters and will prey on a variety of animals, including rodents, birds, and reptiles. Fossas are endangered due to habitat loss and hunting, and their numbers are declining. They are protected by law in Madagascar, but illegal hunting and deforestation continue to threaten their survival.


Fox standing in snow.

Fox

Foxes are small to medium-sized carnivorous mammals that are found in a variety of habitats around the world. There are many different species of fox, including the red fox, the Arctic fox, and the kit fox. Foxes are known for their intelligence and their adaptability, and they have a wide range of behaviors and vocalizations. They are omnivorous and feed on a variety of plant and animal matter, including fruits, berries, insects, and small mammals. Foxes are generally solitary animals and live in dens or burrows, but some species are known to form family groups or packs. Foxes have a reputation for being sly and cunning, and they have featured prominently in folklore and literature throughout history.


Fox Snakes

Fox snakes, also known as western fox snakes or eastern fox snakes, are a species of nonvenomous snake that is native to North America. They are a type of rat snake and are known for their docile disposition and their ability to climb trees. Fox snakes are generally yellow or tan in color, with large, dark brown or black blotches on their back and sides. They have a long, slender body and can grow to be up to 5 feet in length. Fox snakes are found in a variety of habitats, including forests, fields, and agricultural areas. They are nonvenomous and pose no threat to humans. They are generally timid and will try to escape if confronted, but they can be aggressive if they feel threatened.


Fox Squirrel

The fox squirrel, also known as the eastern fox squirrel or Sciurus niger, is a species of tree squirrel that is native to North America. It is the largest species of tree squirrel in the United States, with adults reaching a body length of up to 25 inches and a weight of up to 2 pounds. Fox squirrels have a reddish-brown or gray coat, with a distinctive white belly and a long, bushy tail. They are found in a variety of wooded habitats, including deciduous forests, urban parks, and suburban areas. Fox squirrels are omnivorous and feed on a wide range of plant and animal matter, including nuts, seeds, fruits, and insects. They are active during the day and are known for their acrobatic abilities as they move through the trees.


Fox Terrier

The Fox Terrier is a breed of small to medium-sized dog that is known for its energetic and playful personality. There are two types of Fox Terriers: the Smooth Fox Terrier and the Wire Fox Terrier. Both types have a similar appearance, with a long, narrow head, a muscular build, and a short, smooth coat. However, the Smooth Fox Terrier has a sleek, shiny coat, while the Wire Fox Terrier has a wiry, dense coat. Fox Terriers are intelligent and energetic dogs that require regular exercise and mental stimulation. They are also known for their high prey drive and may not be suitable for households with small pets such as rodents or birds. Fox Terriers are generally good with children and make loyal, affectionate companions.


Freeway Ball Python

The Freeway ball python is a morph of the ball python, which is a type of nonvenomous snake that is native to West and Central Africa. The Freeway morph is characterized by a unique pattern on its scales, which includes a series of horizontal lines that resemble a highway. Freeway ball pythons are popular among reptile enthusiasts and are prized for their unique appearance. Like all ball pythons, they are generally docile and make good pets for people who are comfortable handling snakes. They are relatively low maintenance and do not require a lot of space, making them suitable for life in a terrarium or enclosure. However, they do require a specific environment in order to thrive, including a suitable substrate, a hiding place, and a regulated temperature and humidity level.


Two French Bulldogs against a white background.

French Bulldog

The French Bulldog, also known as the Frenchie, is a small breed of domestic dog. They are a popular companion breed and are known for their playful, affectionate personalities. French Bulldogs have a short, smooth coat that is easy to maintain and comes in a variety of colors, including brindle, fawn, white, and black. They have a stocky build and a distinctively large head with bat-like ears. Frenchies are intelligent and can be trained to do a variety of tricks, but they can also be stubborn at times. They are generally good with children and other pets and make excellent apartment dogs due to their small size and low exercise requirements. However, they do require regular grooming and can be prone to certain health issues such as respiratory problems and obesity.


French Lop

The French Lop is a breed of domestic rabbit that is known for its large size and gentle disposition. French Lops are one of the largest rabbit breeds, with adult males weighing up to 10-12 pounds and females weighing up to 9-11 pounds. They have a stocky, muscular build and a short, dense coat that comes in a variety of colors. French Lops are known for their calm and docile personalities, and they make good pets for people of all ages. They are intelligent and can be trained to perform tricks and do simple tasks. French Lops need plenty of space to move around and should be provided with a large, secure enclosure to prevent them from escaping. They also require regular grooming to keep their coat in good condition.


Frenchton

A Frenchton is a designer breed of dog that is created by crossing a French Bulldog with a Boston Terrier. Frenchtons are small to medium-sized dogs with a muscular build and a short, smooth coat. They can have either a brindle or black coat, and they often have a distinctive white marking on their chest. Frenchtons are known for their friendly, outgoing personalities and their love of attention. They are intelligent and easy to train, but they can also be stubborn at times. Frenchtons are generally good with children and other pets, but like all breeds, they should be socialized and trained early to ensure that they are well-behaved and well-mannered.


Freshwater Eel

Freshwater eels are a type of fish that are found in fresh water habitats around the world. They are known for their long, slender bodies and their ability to migrate over long distances. Freshwater eels have a diverse diet, including invertebrates, fish, and plant material. Some species of freshwater eels, such as the American eel, are important to the economies of many countries because they are commercially fished for food. Other species, such as the European eel, are endangered due to habitat loss and overfishing.


Freshwater Jellyfish

Freshwater jellyfish are a type of small, translucent jellyfish that are found in freshwater lakes and rivers around the world. They are much smaller than their marine counterparts, with a bell-shaped body that is typically only a few inches in diameter. Freshwater jellyfish are not as well-known or studied as marine jellyfish, and much about their biology and behavior is still not understood. They are believed to feed on small plankton and other microscopic organisms, and they are thought to reproduce through a process called "strobilation," in which they shed layers of cells that eventually develop into new jellyfish. Freshwater jellyfish are not a threat to humans and are not known to sting, but they are often mistaken for something else due to their small size and unusual appearance.


Freshwater Sunfish

Freshwater sunfish are a group of small to medium-sized fish that are native to freshwater environments in North America. They are named for their bright, sun-like colors and patterns, which can include shades of orange, yellow, green, and blue. Freshwater sunfish are found in a variety of habitats, including streams, rivers, lakes, and ponds, and they are adapted to a wide range of environmental conditions. They are omnivorous and feed on a variety of plant and animal matter, including insects, worms, and smaller fish. Freshwater sunfish are popular with anglers and are often used as bait, but they are also kept as pets in home aquariums. Some species of freshwater sunfish, such as the redear sunfish and the bluegill, are considered good food fish and are commonly caught and eaten.


Frigatebird

Frigatebirds are a group of large, seabird species that are found in tropical and subtropical regions around the world. They are named for their long, pointed wings, which are adapted for soaring and gliding over long distances. Frigatebirds are known for their distinctive, forked tails and their ability to fly for extended periods of time without flapping their wings, thanks to their long wings and the updrafts and thermals that they use to stay aloft. Frigatebirds are found in a variety of marine environments, including coasts, islands, and open oceans, and they are adapted to a pelagic lifestyle, spending most of their time on the wing. Frigatebirds are carnivorous and feed on a variety of prey, including fish, squid, and other marine animals. Some species of frigatebirds are threatened by habitat loss, overfishing, and other human activities, and conservation efforts are underway to protect and preserve these important seabirds.


Frilled Lizard

The frilled-neck lizard, also known as the frilled-dragon or frilled-agama, is a large, arboreal lizard that is native to Australia and parts of New Guinea. It gets its name from the frill of skin around its neck that it can puff out when threatened or during courtship displays. The frilled-neck lizard is a unique-looking animal, with a long, slender body and a distinctive triangular head. It is typically brown or gray in color, with black and white markings on its body and a bright orange or yellow frill. Frilled-neck lizards are found in a variety of habitats, including forests, savannas, and grasslands, and they are skilled climbers. They are carnivorous and feed on a variety of insects, small mammals, and reptiles. Frilled-neck lizards are not commonly kept as pets due to their large size and specialized habitat requirements.


Frilled Shark

The frilled shark is a rare, deep-sea shark that is found in the Atlantic and Pacific Oceans. It is a strange-looking shark, with a long, eel-like body and a frill of skin around its neck that is lined with rows of small, sharp teeth. The frilled shark is a poorly understood species, as it is rarely seen and is found at depths of up to 5,000 feet, where it is difficult to study. It is believed to be a primitive species that has changed little over time, and it is often referred to as a "living fossil." The frilled shark is a slow-moving predator that feeds on small fish and invertebrates. It is not a threat to humans and is not commonly fished, as it is not considered to be a commercially important species.


Fritillary Butterfly

Fritillary butterflies are a group of medium to large-sized butterflies that are found in various parts of the world, including North America, Europe, and Asia. They are named for their distinctive, checkered pattern on their wings, which resemble a type of ceramic called frit. Fritillary butterflies are typically orange or brown in color and have a wingspan of about 2-3 inches. They are found in a variety of habitats, including meadows, fields, and forests, and they are known for their strong, rapid flight. Fritillary butterflies are attracted to a variety of flowering plants and are important pollinators. They are also important indicators of ecosystem health and are often used in scientific research to study the impacts of environmental changes.


Closeup of a frog standing sitting on a branch.

Frog

A frog is a small, tailless amphibian with a moist, smooth skin and long, powerful legs. Frogs are found on every continent except Antarctica and are adapted to a wide range of environments, including forests, deserts, and wetlands. They are carnivorous and feed on a variety of insects and other small prey, using their sticky tongues to catch their food. Frogs are known for their ability to jump long distances, which helps them to escape predators and navigate their environment. They are also known for their vocalizations, which are used to attract mates and defend their territories. Frogs are important indicators of ecosystem health and are often used in scientific research due to their sensitivity to environmental changes.


Frogfish

Frogfish, also known as anglerfish, are a group of small, bottom-dwelling fish that are found in tropical and subtropical waters around the world. They are named for their unique appearance, which includes a wide, flattened body and a large, wide mouth filled with sharp teeth. Frogfish are known for their ability to change color and blend in with their surroundings, which helps them to blend in and ambush their prey. They are also known for their unique method of luring prey, which involves using a "fishing rod" appendage on their head to attract fish and other small animals. Frogfish are carnivorous and feed on a variety of small prey, including fish, crustaceans, and mollusks. Some species of frogfish are popular with aquarium hobbyists, but they can be difficult to care for due to their specialized diet and habitat requirements.


Fruit Bat

Fruit bats, also known as flying foxes, are a group of large, fruit-eating bats that are found in tropical and subtropical regions around the world. They are the largest bats, with some species having wingspans of up to 6 feet, and they are known for their distinctive, fox-like faces. Fruit bats are herbivorous and feed on a variety of fruits, flowers, and nectar. They are important pollinators and seed dispersers, and they play a vital role in the ecosystems where they live. Fruit bats are also important to human cultures and economies, as they are a source of food, medicine, and other products in many parts of the world. Some species of fruit bats are threatened by habitat loss, hunting, and other human activities, and conservation efforts are underway to protect and preserve these important animals.


Fruit Fly

Fruit flies, also known as vinegar flies, are small, fly-like insects that are commonly found near overripe or rotting fruit. They are small, usually only growing to about 1/8 inch in length, and are typically yellow, brown, or black in color. Fruit flies are attracted to the sweet, fermented odors of overripe fruit and are often found near trash cans, compost bins, and other sources of food waste. They are also attracted to alcohol and are often found near beer or wine bottles. Fruit flies are not harmful to humans, but they can be a nuisance if they reproduce in large numbers. They are also used in scientific research due to their short lifespan and their ability to quickly reproduce, which makes them useful for studying genetics and developmental processes.


Fulvous Whistling Duck

The fulvous whistling duck is a medium-sized duck that is native to the Americas, including parts of the United States, Central and South America, and the Caribbean. It gets its name from its distinctive whistling call, which is used by both males and females. Fulvous whistling ducks are often mistaken for geese due to their long necks and large size, but they are more closely related to other ducks. They have a chestnut-brown or reddish-brown plumage, with a distinctive white patch on the side of their face and a long, dark bill. Fulvous whistling ducks are found in a variety of wetland habitats, including marshes, swamps, and shallow lakes, and they are omnivorous, feeding on a variety of plants and animals. They are social animals and are known for their tight-knit groups and vocalizations.


False Killer Whale

The false killer whale is a large, predatory dolphin that is found in the waters of the tropical and subtropical regions of the world. It is a member of the delphinidae family, which also includes species such as bottlenose dolphins and killer whales, and it is known for its distinctive appearance, which is characterized by a long, slender body, a black or dark grey coloration, and a large, conical head. False killer whales are social animals and are often found in large groups, or pods, which can range in size from a few individuals to several hundred. They are intelligent, agile, and fast-swimming animals and are known to be opportunistic hunters, feeding on a variety of prey, including fish, squid, and other marine animals. False killer whales are not considered to be endangered, but they are protected by law in some parts of their range due to threats such as habitat loss and bycatch in fishing operations.


False Water Cobra

The false water cobra, also known as the "false cobra" or the "annulated sea snake," is a species of venomous sea snake that is found in the coastal waters of the western Pacific Ocean. It is a large, aquatic snake, with adults reaching an average length of about 5-6 feet, and it is known for its distinctive appearance, which is characterized by a series of dark, banded markings on a light-colored background. False water cobras are venomous and are capable of delivering a bite that can be dangerous to humans, but they are generally not aggressive and will only bite if they feel threatened. They are found in a variety of marine environments, including coral reefs, estuaries, and mangrove forests, and they are well-adapted to life in the water, with long, laterally-flattened bodies and paddle-like tails. False water cobras are not considered to be a major conservation concern and are not protected by law in most parts of their range.


False Widow Spider

The false widow spider, also known as the "noble false widow," is a species of venomous spider that is native to Madeira and the Canary Islands. It is a medium-sized spider, with adults reaching an average body length of about 0.5 inches, and it is known for its distinctive appearance, which is characterized by a shiny, black, globular abdomen and long, slender legs. False widow spiders are not aggressive and will only bite if they feel threatened, but their bites can be painful and may cause symptoms such as swelling and redness. They are found in a variety of habitats, including gardens, fields, and houses, and they are most commonly found in the southwestern United States. False widow spiders are not considered to be a major conservation concern, but they have recently become more common in some parts of Europe due to climate change and the expansion of their natural range.


Fangtooth

The fangtooth, also known as the "ogrefish" or the "ankyloglossus," is a species of deep-sea fish that is found in the oceans of the world at depths of up to 16,000 feet. It is a small fish, with adults reaching an average length of about 5-6 inches, and it is known for its distinctive appearance, which is characterized by its large, fang-like teeth. Fangtooths are found in a variety of deep-sea habitats and are thought to feed on a variety of small prey, including crustaceans, fish, and squid. They are not well-studied due to the extreme depths at which they live, but they are known to be a common component of the deep-sea ecosystem. Fangtooths are not considered to be a major commercial species and are not typically caught or sold for food.


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