It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
There are approximately three chickens for every human on Earth.
13
The cat brain weighs about 30g.
167
The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
12
Dolphins have names for one another.
18
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
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