Parrot parents "name" their children with a signature call.
112
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Sloths take two weeks to digest their food.
243
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Sheep, goats, octopuses, and toads have rectangular pupils.
7