Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Two dogs were among the Titanic survivors.
262
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Squirrels forget where they hide about half of their nuts.
698
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
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