rule 34 advertisement animal genitalia avian beak bird blue body blue feathers blueberry muffin character bodily fluids cloaca cloud colored cum cum drip cum from cloaca cum in cloaca cum inside cum leaking day digital media artwork dripping english text feathers female feral genital fluids genitals grass green text heart hi res lying muffinlewds on back on ground one eye closed outside overflow pink cloaca signature sky solo solo focus spread legs spreading tail feathers text yellow beak 4274379