2014 ambiguous_gender avian beak biped bird black_beak cere_(feature) countershade_torso countershading digital_drawing_(artwork) digital_media_(artwork) eyes_closed feather_tuft feathered_wings feathers featureless_crotch feral folded_wings forked_tail front_view full-length_portrait grey_feathers grey_tail grey_wings jamminbison multicolored_feathers open_beak open_mouth overweight overweight_ambiguous pink_countershading pink_feathers pink_robin portrait robin simple_background singing solo suspended_in_midair tail_feathers toony tuft two_tone_feathers white_background winged_arms wings