Dolphins have names for one another.
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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
Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
22
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
A new born kangaroo is small enough to fit in a spoon!
7
A group of kittens is called a "kindle".
10