It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
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
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
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34