It is the female lion who does more than 90 percent of the hunting, while the male is afraid to risk his life, or simply prefers to rest. See more

A rat can fall from a five story building without injury. See more

In Chinese the words for crisis and opportunity are the same. See more

In ancient Egypt, killing a cat was a crime punishable by death. See more

It is estimated that millions of trees in the world are accidentally planted by squirrels who bury nuts and then forget where they hid them! See more

Those stars and colours you see when you rub your eyes are called phosphenes. See more

The original name for the butterfly was flutterby! See more

The thumbnail grows the slowest; the middle nail grows the fastest. See more

The word "politics" describes the process so well: "Poli" in Latin meaning "many" and "tics" meaning "bloodsucking creatures." See more

There is a species of bird, Antpitta avis canis Ridgley, that barks like a dog. See more

The female pigeon cannot lay eggs if she is alone. In order for her ovaries to function, she must be able to see another pigeon. See more

Eagles mate while airborne. See more

Owls swallow their prey hole because they have no teeth. After 12 hours they cough up the feathers, bones, and fur in a shape of a football pellet. See more

Some birds have been know to put ants into their feathers because the ants squirt formic acid, which kills parasites. See more

A bird "chews" with its stomach. See more

During warm weather hippopotamus's secrete sweat that is pink. This substance not only cools them down but also helps fight infections of the skin. See more