When cats are happy, they may squeeze their eyes shut.
10
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's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
When dragonflies mate, their tails form a love heart.
22
Baby rabbits are called kittens.
6
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
10