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
There was a cable network called The Puppy Channel that, for 3 years, broadcast only broadcast footage of puppies playing.
1
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Raj from the Big Bang Theory is married to Miss India.
11
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
A group of pugs is called a grumble.
10