Rattlesnake mating sessions have been known to last more than 22 hours.
232
The reindeer is the only mammal that can see UV light.
17
Bats sleep 18-20 hours per day.
5
A puppy is born blind, deaf, and toothless.
16
Lurch, a Watusi bull, had the largest horns in the world.
32
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2