A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
The largest breed of rabbit is the Flemish Giant.
65
Condoms were originally made of animal intestines or linen.
347
Domestic pigs average a top speed of about 11 miles per hour.
182
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12