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
When cats are happy, they may squeeze their eyes shut.
10
Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
22
A group of pugs is called a grumble.
10
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
A group of kittens is called a "kindle".
10
Dolphins have names for one another.
18