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why do Elephant have big Ears?
Elephants are massive animals and generate a lot of heat in their day to day activities.
As they are mammals and therefore warm blooded animals, they have certain adaptations to help them cool off.
However elephants do not possess sweat gland like we humans do so they are unable to cool off by sweating.
What they do possess are those huge ears. The elephant ears has a fine network of blood vessels close to the skin which helps it cool off by radiation. As the atmospheric temperature is usually lower than their body temperature, heat is lost to the atmosphere.
They are also able to increase it's efficiency by fanning themselves with those ears. This can cause a temperature drop of up to 5°C!
That's why African Elephant have big ears than asian one, because Africa has more hot climate than Asia.
why do Elephant have big Ears?
Elephants are massive animals and generate a lot of heat in their day to day activities.
As they are mammals and therefore warm blooded animals, they have certain adaptations to help them cool off.
However elephants do not possess sweat gland like we humans do so they are unable to cool off by sweating.
What they do possess are those huge ears. The elephant ears has a fine network of blood vessels close to the skin which helps it cool off by radiation. As the atmospheric temperature is usually lower than their body temperature, heat is lost to the atmosphere.
They are also able to increase it's efficiency by fanning themselves with those ears. This can cause a temperature drop of up to 5°C!
That's why African Elephant have big ears than asian one, because Africa has more hot climate than Asia.