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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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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The seahorse is the only fish to have a neck.
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One in three dog owners say they have talked to their pets on the phone.
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When cats are happy, they may squeeze their eyes shut.
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A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
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Ants have tiny magnetic compasses in their antennae which help them navigate.
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