Toe picking is a normal part of every day bird hygiene: they preen, they bathe, they preen some more, they wipe their beaks on perches, they preen, and they pick their toes. Goober likes to hang onto the side of the Finsterium, and do some serious toe picking there. She did it again just now. I've never seen a Finster to be so serious about toe picking. Maybe I should have taken a close look at her toes during the Finsterium cleaning, but I didn't think about it. They look okay as far as I can tell. Maybe she has a toe fetish?