Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
There's a rare breed of pig that looks like a sheep.
14
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
A domestic cat can sprint at about 31 miles per hour.
274
The reindeer is the only mammal that can see UV light.
17