2016 5:6 5_fingers anthro backsack balls biped blush bovid bovine butt cattle clothing fingers footwear genitals grey_theme greyscale holding_tail horn kneeling legwear looking_at_viewer looking_back male mammal monochrome nipples nude oaks16 open_mouth pecs presenting presenting_hindquarters raised_tail rear_view simple_background socks solo tail tail_tuft teeth tuft white_background