Rule 34 Dev - 3_toes 5_fingers anthro avian beak biceps bird bulge claws clothing fingers flexing furry genital_outline genitals hi_res humanoid_penis leotard male male_only muscular muscular_male muscular_thighs owl penis penis_outline quads rollwulf simple_background solo sova tight_clothing toes vein white_background wings|4001824456