There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
Some British police cars carry a teddy bear to console children after an accident.
46
When cats are happy, they may squeeze their eyes shut.
10
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13