FURVERT!

4_toes animal_genitalia animal_penis anthro anus backsack balls beanshaped bird_dog blush butt canid canine canine_genitalia canine_penis canis domestic_dog erection feet fur genitals golden_retriever hi_res hunting_dog knot male mammal motion_lines pawpads paws penis presenting presenting_hindquarters retriever solo tail tail_motion tailwag toes upside_down yellow_body yellow_fur