this is what happens when cats are kept indoors * (cats by nature are outdoor animals as are dogs but people tend to try to "humanize" them and keep them indoors bad ideal folks) ) since"indoor cats' can not meet "new cats' they interbreed with the others cats that are indoors with them which are often related to them --yep -- this is the bad end results of such a sorry mixture ---a cat that thinks it is a bird and can fly . poor mentally challanged kitty