FURVERT!

2014 4:3 4_toes animal_genitalia animal_penis anus backsack balls big_penis black_body black_fur black_hair black_nose black_pawpads blue_eyes butt canid canine canine_genitalia canine_penis canis chest_tuft claws detailed_background digital_media_(artwork)digitigrade erection fangs feet feral forest fur genitals grass hair hi_res knot legs_up licking licking_lips licking_own_lips lizardlars looking_at_viewer lying male mammal nature naughty_face night on_back on_ground outside pawpads paws penis pink_penis pinup plant pose presenting presenting_hindquarters presenting_penis quadruped raised_leg rock self_lick sharp_teeth smile solo spread_legs spreading tail teeth toes tongue tongue_out tree tuft wolf wood