Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
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
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Lobsters have blue blood.
476
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11
The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
8