Sea otters hold hands while sleeping so they don’t drift away from each other.
104
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
There was a cable network called The Puppy Channel that, for 3 years, broadcast only broadcast footage of puppies playing.
1
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Dolphins have names for one another.
18