A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
A dairy cow can produce more milk when listening to music.
446
Macaques monkeys in Japan learned to steal purses and wallets, take out the coins, and use them to buy drinks and snacks from vending machines.
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Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9