FURVERT!

2012 4_toes anthro anus backsack balls bed biceps big_muscles biped black_body black_fur black_nose blake_tucano blue_eyes border_collie butt canid canine canis circumcised collie digital_media_(artwork)domestic_dog feet flaccid fur furniture genitals herding_dog hindpaw humanoid_genitalia humanoid_penis inviting jailbird looking_back lying male mammal muscular muscular_anthro muscular_male nude on_front pastoral_dog paws penis presenting presenting_hindquarters shaded sheepdog smile soles solo spread_legs spreading submissive tail toes tucpile waiting white_body white_fur