Rattlesnake mating sessions have been known to last more than 22 hours.
232
Sloths take two weeks to digest their food.
243
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
A 42-foot sperm whale has about 7 tons of oil in it.
209
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Moths are unable to fly during an earthquake.
328