Lobsters have blue blood.
476
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
Some lions mate over 50 times a day.
61
Emus and kangaroos cannot walk backwards.
26
Lake Nicaragua in Nicaragua is the only fresh water lake in the world that has sharks.
28
Mosquitoes are attracted to the color blue twice as much as any other color.
28
Ants began farming about 50 million years before humans thought to raise their own crops.
132
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20