[sinkspur]

Of course your point still stands, rabbits and possums are not racoons.

Racoons are a lot bolder than possums. I'd guess that if any creature was hungry enough, he could push himself against a pet door. Our cats learned how to use it by watching the dogs use it; we never pushed one of them through it.

[MHGinTN]

Sink, my cat reaches up and jingles a small bell hung from the door when he wants out. He 'snaps' the mullions on the french door when he wants back in. He will occasionally ring the bell if his bowl is empty and he wants it filled. I guess he's got us pretty well trained.