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