rule 34 2016 anal anal sex anthro anthro on anthro avian back muscles beak canine clothed sex cum cum on clothing duo erection falcon mccooper falcon mccooper character fangs feathers fur furry green hair grey background grey fur grey nose grey tail highres hippogryph humanoid penis interspecies lying male male penetrating mammal mottled penis multicolored fur multicolored hair muscular muscular male neck tuft nude on back open mouth orange feathers pants pants down penetration penis pentacle pentagram pink hair pink tongue purple feathers purple penis red hair sex shirt shirt grab signature simple background t shirt table lotus position tan beak tan fur teeth tongue tuft two tone feathers two tone fur watch white clothing white topwear wolf yaoi 2246647