Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
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