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
A puppy is born blind, deaf, and toothless.
16
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
One litter of kittens can be produced by more than one father.
57
Dolphins have names for one another.
18