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2025 anthro anus avian barefoot beak biped bird black_nose boots breasts butt canid canine clothed clothed_male clothing costume countershade_face countershading dinosaur_costume duo feathers feet female fingers_together footwear fox genitals green_eyes halloween halloween_costume head_tuft hi_res hirundinid holidays humanoid_feet jumpjump leotard looking_at_another looking_at_viewer looking_back looking_back_at_viewer lying male mammal medium_breasts miles_prower mouth_closed non-mammal_breasts nude nude_female on_front oscine passerine plantigrade purple_body raised_leg sega shoes simple_background sonic_riders sonic_the_hedgehog_(series)swallow_(bird)tail tail_feathers tuft vulva wave_the_swallow weapon white_body white_countershading yellow_beak yellow_body