Dolphins have names for one another.
18
The elephant brain weighs about 6,000g.
274
Sheep, goats, octopuses, and toads have rectangular pupils.
7
The octopus does not have a blind spot.
273
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Female kangaroos have three vaginas.
2