FURVERT!

16:10 abdominal_bulge absurd_res animal_genitalia animal_penis anus balls canid canine canine_genitalia canine_penis canis darkened_balls darkened_genitalia domestic_cat domestic_dog duo erection felid feline felis female female_penetrated feral feral_on_feral feral_penetrated feral_penetrating feral_penetrating_feral genitals german_shepherd herding_dog hi_res huge_penetration interspecies knot knot_bulge knot_root knot_swelling knotted_penis knotting larger_male male male/female male_penetrating male_penetrating_female mammal nauticalcanine pastoral_dog paws penetration penile penile_penetration penis sex sheath size_difference smaller_female smaller_penetrated stuck_knot vaginal vaginal_knotting vaginal_penetration vulva widescreen