When cats are happy, they may squeeze their eyes shut.
10
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
Two dogs were among the Titanic survivors.
262
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
Sloths take two weeks to digest their food.
243
The cat brain weighs about 30g.
167
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 most expensive cow in the world was sold in 2009 for $1.2 million.
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