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Why Do Camels Have 1 or 2 Humps?

Updated: Jun 9

Ah, great question! There are two types of camels: the dromedary camel (also known as the Arabian camel) and the Bactrian camel. The dromedary camel has one hump, while the Bactrian camel has two humps.


So, why the difference? Well, it all comes down to their habitats and the types of environments they live in.

Camel young nursing

Dromedary camels are found in the hot, arid deserts of North Africa and the Middle East. These environments can be extremely harsh and dry, with little access to water or food. So, over time, dromedary camels have evolved to have one large hump on their back, which is used to store fat reserves.


The fat in the hump can be broken down and used for energy and nutrients when food and water are scarce, allowing the camel to survive for extended periods of time without eating or drinking. The hump also plays a role in regulating the camel's body temperature in the hot desert sun, as the fat helps to insulate the animal and keep it cool.

Pair of camels walking in the desert

On the other hand, Bactrian camels are found in the cold deserts and steppes of Central Asia, where the climate is much harsher and temperatures can drop below freezing. In these colder environments, Bactrian camels have evolved to have two smaller humps on their back, which store fat reserves that are used to keep them warm and nourished during the long, cold winters.


The extra fat in the humps helps to insulate the camel's body and retain heat, which is essential for survival in such harsh environments. Additionally, the humps also serve as a source of nutrients and energy when food is scarce during the winter months.

camel walking in desert

So, while both types of camels have humps that serve a similar purpose, the number and size of the humps are adapted to their specific environments and needs. It's a perfect example of how evolution and adaptation work together to help species survive in different environments.


That is not all, camels have several other fascinating adaptations that helps them survive their harsh enviroments.


Camels have a remarkable ability to go without drinking water for a long time, thanks to their unique water conservation system. They produce dry feces and reduce their urine output, which helps them conserve water. Additionally, they can tolerate high levels of dehydration without getting too thirsty.

Family riding camel on beach at sunset

To protect themselves from the hot desert sands, camels have developed thick, calloused skin on their knees and chest. This allows them to kneel and lie down on the hot sand without getting burned. They also have a tough, leathery palate that protects their mouth from sharp objects while grazing.


Camels have a unique respiratory system that allows them to survive in the desert. Their nostrils can be closed to prevent sand and dust from entering their nose, and they have bushy eyebrows and long eyelashes that help protect their eyes from blowing sand and dust.


Three camels in front of red rock

Camels have a distinctive gait that allows them to move efficiently across the sand. Their two legs on one side of the body move together in a rolling motion, while their other two legs move together on the other side of the body. This gait helps them to distribute their weight more evenly and walk more easily on soft sand.


Camels have some unique adaptations when it comes to their eyesight. They have three eyelids, two of which have eyelashes to protect their eyes from the harsh desert environment. The third eyelid, also known as the nictitating membrane, is a translucent membrane that moves horizontally across their eye to help remove any dust or debris that may have gotten in. This third eyelid also helps to keep their eyes moist and lubricated in dry desert conditions.

Camel riders in front of the Giza pyramids

In terms of their vision, camels have large, expressive eyes with long, thin pupils that can constrict to a vertical slit in bright sunlight. This helps them to see more clearly in the harsh desert light. They also have a broad field of vision, allowing them to spot potential predators or food sources from a greater distance.


When it comes to their nostrils, camels have some incredible adaptations that allow them to survive in the dusty desert environment. They have large, muscular nostrils that can close tightly to keep out sand and dust. Additionally, their nostrils are divided by a septum that helps to filter out any airborne particles that may have gotten inside. This helps to keep their respiratory system clean and clear, even in the dusty desert environment.

Face close up of harnessed camel

Lastly, camels have large, tough feet with leathery pads that allow them to walk on hot sand without getting burned. Their feet can also spread out to provide more surface area, which helps them to distribute their weight more evenly and walk more easily on soft sand. All of these adaptations work together to make camels incredibly resilient and adaptable animals in the harsh desert environment.

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