Rule 34 Dev - ambiguous_gender beak day detailed_background feathered_wings feathers feral group outside wings neytirix avian bird cacatua cockatoo corella_(bird) corvid magpie_(corvid) oscine parrot passerine sulphur-crested_cockatoo 16:9 2020 digital_media_(artwork) hi_res video_in_description widescreen|9464027300