Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Rattlesnake mating sessions have been known to last more than 22 hours.
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