FURVERT!

anthro avian balls beak bird blue_balls canid canine canis city erection falco_lombardi feathers fox fox_mccloud frottage genitals grin group hi_res high-angle_view macro male male/male mammal micro mintyskin nintendo non-mammal_balls penile penis penis_size_difference penises_touching sex size_difference smile star_fox tail tail_feathers vein veiny_penis white_balls wolf wolf_o'donnell