One litter of kittens can be produced by more than one father.
57
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
A group of pugs is called a grumble.
10
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13