rule 34 animal genitalia avian backpack balls beak bird brown body claws clothing detailed background digitigrade feathers feral genitals grey beak grey body grey feathers gryphon harness looking away male multicolored body multicolored feathers mythological avian mythology penis penis tip portrait quadruped rat tail saggy balls scuted feet scuted legs scutes sheath solo stygimoloch artist tail tan body tan feathers three quarter portrait toe claws topwear vest walking wall structure whiskers yellow sclera 8889736