Why do elephants have big ears?

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Have you ever noticed how big an elephant’s ears are? They’re like giant flaps! Elephants’ big floppy ears usually measure about 22 square feet in size. – Wow! Although you might think they use these giant ears for better hearing, elephants actually mostly use their big ears for cooling down when it’s hot
Because elephants are so big and generally live in hot places like Africa or India, they need a little extra help when it comes to cooling off. Elephant ears are full of veins, the little passageways in the body that are responsible for moving blood around. By flapping their wet ears, the many veins in their ears are cooled, and so is the blood inside those veins! The cooled blood then travels all around the elephant, and can help lower the elephant’s body temperature by as much as almost 10 degrees Fahrenheit! That might not sound like a lot, but when it comes to body temperature it’s actually a pretty COOL amount!
by   (whyzz writer)
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    There are lots of really BIG facts about elephants -- check out some of these!
    A newly born baby elephant is so big that it weighs at least as much as most adult human beings! A female baby elephant usually weighs between 198-220 pounds, while the male babies sometimes weigh as much as 265 pounds!
    A mother elephant carries her baby for 22 months before it’s born, which is almost two years! By comparison, a human baby is carried for 9 months by its mother before it is born.
    In one day, an adult elephant will drink as much as 30 gallons of water. Have you ever seen a gallon bottle containing something like milk? Imagine drinking 30 of those in one day! Sometimes, the elephant will even drink that much all at once!
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