A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
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
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
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16
When cats are happy, they may squeeze their eyes shut.
10