FURVERT!

abdominal_bulge african_wild_dog alis_(nicealis)almost_fully_inside anal anal_vore anthro anus belly big_belly big_butt blep border_collie butt butt_heart canid canine canis chyr_(chyr)clenching collie domestic_dog duo gurglegluts halo herding_dog hi_res male male/male male_pred male_prey mammal navel pastoral_dog pushing_in same_size_vore sheepdog sitting sitting_on_ground stretched_anus tail tail_motion tailwag tongue tongue_out vore wide_hips wings