Upolu and Tutuila, Samoa Islands.
Has been considered close to A. mearnsi, A. infuscatus, A. hirundinaceus and A. terraereginae, and last three have all been considered conspecific with present species. A. sawtelli may prove to be merely a race of this species. Previously placed in composite species A. francicus. Eleven subspecies recognized.
Food and feeding
Status and conservation
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