Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
When cats are happy, they may squeeze their eyes shut.
10
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
Baby rabbits are called kittens.
6
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