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
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
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
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