Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
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When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
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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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In 2005, in Africa, it was reported that three lions rescued a 12-year-old girl from kidnappers and guarded her for half a day until help came.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
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