J. F. Gmelin, 1789,
Moorea, Society Islands.
Closely related to A. jobiensis, A. kubaryi and A. xanthonurus; this group also has somewhat more distant affinities with A. sanctaecrucis, A. stairi and †A. salamonis. Birds from Hao, Hiti and probably Tahanea sometimes accorded subspecific recognition as race albicollis on grounds of all-white head and neck of males, but this may be merely a colour variant; in past, name pectoralis used for white-headed birds, but this name suppressed as based on female specimens from Arakita, which appear inseparable from those elsewhere in range; in addition, all males in population recently discovered on Rangiroa Atoll (N Tuamotus) are grey-naped (previously only all-white-headed males had been recorded in this part of archipelago), and taxonomic status of these is therefore unclear. Internal taxonomy of species requires reassessment. Treated as monotypic.
Tuamotu Archipelago: known to survive only on uninhabited atolls. Latest records in NW on Rangiroa (Palliser Is) and in SE on Maria, Morane#R and Matureivavao, Tenararo and Vahanga#R (Acteon Group). Formerly more widespread through Tuamotus (e.g. Aratika, Vanavana, Tenarunga), and occurred also on Moorea and Tahiti, in Society Is.
Food and feeding
Status and conservation
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