Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
-12
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
A domestic cat can sprint at about 31 miles per hour.
274
Alligators can live up to 100 years.
337
Dogs sometimes fake being sick to get attention.
26
Sharks have been on the planet longer than trees.
14