FURVERT!

anthro anthro_on_anthro avian balls beak bird blue_body blue_feathers canid canine crux_(artist)dipstick_tail duo erection extreme_size_difference falco_lombardi feathers fox fox_mccloud genitals humanoid_genitalia humanoid_penis interspecies macro male male/male mammal markings nintendo non-mammal_balls penis sex siman-clifton size_difference star_fox tail tail_markings