Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Squirrels forget where they hide about half of their nuts.
698
The penguin is the only bird that can swim, but cannot fly.
1
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
A 42-foot sperm whale has about 7 tons of oil in it.
209
The average housefly lives only two weeks.
39
It's possible to lead a cow upstairs, but not downstairs.
50
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