When dragonflies mate, their tails form a love heart.
22
A puppy is born blind, deaf, and toothless.
16
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
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