When cats are happy, they may squeeze their eyes shut.
10
One litter of kittens can be produced by more than one father.
57
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
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