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
Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
10
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Dolphins have names for one another.
18
Female kangaroos have three vaginas.
2
A 42-foot sperm whale has about 7 tons of oil in it.
209