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
Squirrels forget where they hide about half of their nuts.
698
Condoms were originally made of animal intestines or linen.
347
A puppy is born blind, deaf, and toothless.
16
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9