Rule 34 Dev - abstract_background all_fours anthro anus arched_back ass avian back_muscles backsack balls bird blue_body blue_feathers darkajugin falco_lombardi feathers genitals green_eyes hi_res legs_up looking_back male male_focus male_only male_solo markings nintendo red_markings solo solo_male star_fox talons video_games|5807872584