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256:135 anthro anus avian backsack balls beak bent_over berdly bird blue_anus blue_balls blue_body blue_feathers bubble_butt butt butt_focus deltarune dialogue english_text feathers genitals half-closed_eyes hand_on_butt hi_res laugh male narrowed_eyes nude perineum pfft presenting presenting_hindquarters questioning_tone raised_tail rear_view silly_face simple_background smug solo standing tail tail_feathers talking_to_viewer teasing text text_emphasis tongue tongue_out underline undertale_(series)unknown_artist vowelless vowelless_vocalization yellow_beak