Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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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.
1
The seahorse is the only fish to have a neck.
12