Under extreme stress, some octopuses will eat their own arms.
198
Ralph, the world's largest bunny, weighs 55 pounds and eats $90 worth of food a week.
8
A puppy is born blind, deaf, and toothless.
16
When cats are happy, they may squeeze their eyes shut.
10
Roosters can't crow if they can't fully extend their necks.
28
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
In the last 4,000 years, no new animals have been domesticated.
25