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
The Savannah is the largest domestic cat breed. It resembles a small leopard and behaves like a dog. They can grow up to 40 lbs, have an eight foot vertical jump, and can be trained to walk on a leash and play fetch.
17
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Squirrels forget where they hide about half of their nuts.
698
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
The colossal squid has the largest eyes in the world.
4
Sheep, goats, octopuses, and toads have rectangular pupils.
7