Bats sleep 18-20 hours per day.
5
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
Lurch, a Watusi bull, had the largest horns in the world.
32
Whales and dolphins can't taste anything other than salt.
11
A scorpion can hold its breath for up to 6 days.
19
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
Penguins have a gland above their eye that turns saltwater into freshwater.
12