FURVERT!

animal_genitalia animal_penis anthro anus backsack balls biped black_body black_fur black_nose border_collie butt canid canine canine_genitalia canine_penis canis cheek_tuft claws collie digitigrade domestic_dog erection facial_tuft fur genitals grayson_starbone herding_dog hi_res looking_at_viewer looking_back male mammal motion_lines multicolored_body multicolored_fur nude pastoral_dog penis penis_backwards perineum sabuky sheepdog solo standing tail tail_motion tailwag teeth toe_claws tuft two_tone_body two_tone_fur two_tone_tail white_balls yellow_eyes