Sheep, goats, octopuses, and toads have rectangular pupils.
7
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Sharks, like other fish, have their reproductive organs in their chests.
248
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
The reindeer is the only mammal that can see UV light.
17