Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Dogs sometimes fake being sick to get attention.
26
The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
12
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11