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
Sloths take two weeks to digest their food.
243
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Drivers kill more deer than hunters do.
660
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
A lion in the wild usually makes no more than twenty kills a year.
186
Rattlesnake mating sessions have been known to last more than 22 hours.
232