rule 34 169 2020 4 toes accipitrid accipitriform animal genitalia animal penis anisodactyl aroused avian beak biped bird bird feet black beak black body black eyebrows black scales blue eyes blush border brown body brown feathers brown scales cloud cloudscape cobra day detailed background digital media artwork digitigrade duo eagle erection eyebrows falkie fruechtetee feathered wings feathers feet feral flat colors flying genitals heart hemipenes ikakins male multi genitalia multi penis multicolored body multicolored feathers multicolored scales narrowed eyes outside penis philippine eagle pirate eagle prehensile feet reptile scales scalie scutes serpentine sky smile smirk snake snake hood spread wings tail feathers talons tan body tan eyes tan feathers tapering penis toes white border widescreen wings 5406156