Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
In Australia, there are spiders big enough to eat snakes.
20
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
-12