It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
A rodent's teeth never stop growing.
16
An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10
Frogs cannot swallow without blinking.
41
Racehorses can wear out new horse shoes in one race.
38
A mole can dig a hole 300 feet deep in one night.
-9
A 42-foot sperm whale has about 7 tons of oil in it.
209