1) Camels can drink up to 40 gallons of water in one go.
2) One reason they can go long periods without water is the shape of their red blood cells. These are oval so will flow when they are dehydrated rather than clumping as ours do. The camel is the only mammal to have oval red blood cells.
3) Rats and horses can't vomit.
4) Hippo milk is pink.
5) The only animal in the world which laughs is Hyna.
6) Cats sleep up to eighteen hours a day, but never quite as deep as humans. Instead, they fall asleep quickly and wake up intermittently to check to see if their environment is still safe.
7) You can tell the sex of a horse by its teeth. Most males have 40, females have 36.
8) It is physically impossible for pigs to look up into the sky.
9) Elephants are the only animal, that cant jump.
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