Owl's Eyelid Fact
The owl is the only bird to drop its upper eyelid to wink. All other birds raise their lower eyelids.
More Animals Facts
Baby Production
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.