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1920 20th_century 4_toes ambiguous_gender ancient_art avian beak biped bird border canid canine claws corvid corvus_(genus)crow detailed_background feathered_wings feathers feet feral field flying fox greyscale group hi_res joseph_jacinto_mora male mammal monochrome nude open_beak open_mouth oscine outside passerine pawpads paws public_domain raven red_fox reynard_the_fox signature sky spread_legs spreading tail tail_feathers text toe_claws toes traditional_media_(artwork)true_fox white_border wings