FURVERT!

6:5 all_fours anal anal_birth animal_genitalia animal_penis anthro anus australian_cattle_dog backsack balls bandit_heeler belly big_belly bird_dog birth bluey_(series)butt canid canine canine_genitalia canine_penis canis cattledog crowning domestic_dog erection genitals herding_dog hi_res huge_belly hunting_dog hyper hyper_belly hyper_pregnancy knot labor labrador live_birth male mammal pascal_(artist)pastoral_dog pat_(bluey)penis pregnant pregnant_anthro pregnant_male retriever