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2013 anthro avian beak beak_growth bird black-rat bottomwear braviary butt butt_expansion claws clothing comic english_text expansion feathered_wings feathers feet generation_5_pokemon grass growth hair hi_res human_to_anthro male multicolored_tail muscular muscular_anthro muscular_male nintendo pants plant pokemon pokemon_(species)pokemon_trainer rainbow_tail rear_view shocked species_transformation tail tail_growth tail_growth_in_pants tail_tenting talons text toes torn_clothing transformation transformation_by_pokeball transformation_sequence tree white_hair wings