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2:3 absurd_res animal_genitalia animal_penis anthro avian avian_feet beak bird black_body black_feathers black_scales claws colored corvid corvus_(genus)digital_media_(artwork)digitigrade einin erection feathers feet genitals gradient_background grey_body grey_scales hi_res kneeling knot looking_at_viewer male nude open_mouth oscine passerine penile penis raven rictal_bristles scales scuted_feet scutes shaded signature simple_background slim smile solo tail talons tapering_penis text toes tongue white_body white_feathers