Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
There was a cable network called The Puppy Channel that, for 3 years, broadcast only broadcast footage of puppies playing.
1
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
Dolphins have names for one another.
18
When cats are happy, they may squeeze their eyes shut.
10