FURVERT!

anal animal_genitalia anus black_body blue_eyes brown_body brown_feathers claws dinosaur dragon dreamworks dromaeosaurid duo erection european_mythology feathers feral feral_on_feral feral_penetrated feral_penetrating feral_penetrating_feral forked_tongue fury_(httyd)genital_slit genitals guide_lines hi_res how_to_train_your_dragon interspecies knot knotted_penis licking licking_lips male male/male male_penetrated male_penetrating male_penetrating_male melisssa9 membrane_(anatomy)membranous_wings mythological_creature mythological_scalie mythology night_fury outside penetration penis pink_penis pinned pinned_to_ground prehistoric_species quadruped red_body red_eyes red_scales reptile saurischian scales scalie sex snow snowing spread_wings tail theropod tongue tongue_out western_dragon wings wodenfang