Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Dolphins have names for one another.
18
A puppy is born blind, deaf, and toothless.
16
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
There was a cable network called The Puppy Channel that, for 3 years, broadcast only broadcast footage of puppies playing.
1