It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
Cats and dogs can hear ultrasound.
350
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
The largest breed of rabbit is the Flemish Giant.
65
Cats lose almost as much fluid in the saliva while grooming themselves as they do through urination!
205
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 ancestor of all domestic cats is the African Wild Cat which still exists today.
12
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255