Sheep, goats, octopuses, and toads have rectangular pupils.
7
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
The cat brain weighs about 30g.
167
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
The male seahorse carries babies and 'gives birth' to them instead of the female.
7