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
Penguins have a gland above their eye that turns saltwater into freshwater.
12
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
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
Jellyfish as a species are actually older than dinosaurs and sharks.
383
A group of unicorns is called a blessing.
304
A lion in the wild usually makes no more than twenty kills a year.
186
Dogs have been man's pet for over 14,000 years.
224