A group of pugs is called a grumble.
10
When dragonflies mate, their tails form a love heart.
22
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
Baby rabbits are called kittens.
6
One litter of kittens can be produced by more than one father.
57
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13