Only 3% of bird species have penises.
0
Gorillas can catch human colds and other illnesses.
205
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
Early American humans hunted car-size armadillos and used their shells for houses.
12
George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
7