abs anthro athletic athletic_anthro athletic_male beak biceps big_muscles black_body black_feathers bottomwear clothing feathers growth male muscle_growth muscular muscular_anthro muscular_male nude open_beak open_mouth pants pecs ripped_muscles screaming solo standing triceps underwear birdovo avian bird corvid corvus_(genus) oscine passerine raven hi_res
Raven muscle growth