A 42-foot sperm whale has about 7 tons of oil in it.
209
Rattlesnake mating sessions have been known to last more than 22 hours.
232
Lurch, a Watusi bull, had the largest horns in the world.
32
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
When you shave a guinea pig it looks like a little hippo.
19
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17