Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
A 42-foot sperm whale has about 7 tons of oil in it.
209
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Rattlesnake mating sessions have been known to last more than 22 hours.
232
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34