I don't know. They just cover stuff in birdshit and smell bad and they don't have expressions. They have one little beady eye that stares hatefully at you or the other little beady little eye that stares hatefully at you but they can't manage both at once.

[Hate him with both eyes, thank you!]

And they leave feathers and they're noisy.

[He's going to brush at his legs a few times to get some of the clingers off before giving up and deciding to worry about it later.]