public domain created by ohara koson

20th_century 4_toes absurd_res ambiguous_feral ambiguous_gender ancient_art anisodactyl avian avian_feet beak biped bipedal_feral bird black_beak black_body black_feathers branch cjk_character corvid corvus_(genus) crow feathered_wings feathers feet feral gradient_background hi_res ohara_koson on_branch oscine passerine public_domain simple_background snow solo standing tail tail_feathers three-quarter_view toes traditional_media_(artwork) wings