Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
65
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
Dolphins have names for one another.
18
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