Rattlesnake mating sessions have been known to last more than 22 hours.
232
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
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Condoms were originally made of animal intestines or linen.
347
A dairy cow can produce more milk when listening to music.
446
Penguins have a gland above their eye that turns saltwater into freshwater.
12