Rule 34 Dev - bite bitting border_collie breath canid canine canis collar collie doggy_style domestic_dog duo female feral feral_on_feral floppy_ears from_behind_position german_shepherd gordiethecollie herding_dog hi_res humping male male/female mammal panting pastoral_dog saty_(satypardus) sex sheepdog tongue tongue_out vaitins wiegmannor|8464829784