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
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
There was a cable network called The Puppy Channel that, for 3 years, broadcast only broadcast footage of puppies playing.
1
When dragonflies mate, their tails form a love heart.
22