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
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
Alligators can live up to 100 years.
337
Sheep, goats, octopuses, and toads have rectangular pupils.
7
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
Penguins have a gland above their eye that turns saltwater into freshwater.
12
A puppy is born blind, deaf, and toothless.
16