Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Two dogs were among the Titanic survivors.
262
A cat can jump FIVE TIMES as high as it is tall!
371
The elephant brain weighs about 6,000g.
274
Domestic pigs average a top speed of about 11 miles per hour.
182