Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Lurch, a Watusi bull, had the largest horns in the world.
32
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
In Australia, there are spiders big enough to eat snakes.
20