Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
A dork is a whale's penis.
327
Parrot parents "name" their children with a signature call.
112
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
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
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8