Turns out, if you have fur or feathers or skin, you can pluck yourself compulsively, and some parrots actually have been studied to better understand trichotillomania, or compulsive plucking in humans, something that affects 20 million Americans right now.
Ispada da ukoliko imate krzno ili perje  ili pak kožu, možete se kompulzivno čupati. Neke su papige istraživane radi boljeg razumijevanja trihotilomanije iliti kompulzivnog čupanja kod ljudi, nečega što trenutno muči 20 milijuna Amerikanaca.