b'\n_START_ARTICLE_\nGaivota-prateada-americana\n_START_SECTION_\nSubesp\xc3\xa9cies\n_START_PARAGRAPH_\nA esp\xc3\xa9cie \xc3\xa9 monot\xc3\xadpica (n\xc3\xa3o s\xc3\xa3o reconhecidas subesp\xc3\xa9cies).'