Rule 34 Dev - 4_toes abs anthro barefoot beak biped claws feathered_wings feathers featureless_crotch feet finger_claws fingers front_view male muscular muscular_anthro muscular_male naturally_censored nude open_beak open_mouth pecs simple_background solo standing talons toe_claws toes tongue white_background winged_arms wings airu avian bird 2008 black_and_white digital_media_(artwork) full-length_portrait monochrome portrait signature|6132259770