The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23
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
Cats and dogs can hear ultrasound.
350
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Lobsters have blue blood.
476