A female oyster produces 100 million young in her lifetime, the typical hen lays 19 dozen eggs a year, and it is possible for one female cat to be responsible for the birth of 20,736 kittens in four years.
Dalmatians are born without spots.
More Animals Facts
Possums have one of the shortest pregnancies at 16 days.
Elephants have the longest pregnancy in the animal kingdom at 22 months.