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21 cm; 77–88 g. Medium-sized, greyish-brown starling . Forehead and crown are mousy brown with faint purple iridescence; mantle, back and rump mouse-brown, edged with grey; wing and tail dull brown, paler edges on inner secondaries; chin, throat, breast and upper belly mouse-brown, broad paler tips on breast and belly, lower belly and undertail-coverts whitish; iris pale yellow, sometimes dark brown with narrow yellow outer ring; bill and legs black. Sexes alike. Juvenile undescribed.
Rarotonga I, in S Cook Is.
Diet and Foraging
Sounds and Vocal Behavior
VULNERABLE. Restricted range species: present in Southern Cook Islands EBA. Population currently thought to be stable. Considered abundant in 1904, and population of several thousands estimated in 1973, but by 1984 no more than c. 100 individuals; the most recent estimates are of c. 500 birds. Habitat destruction and introduced rats (Rattus) believed to be the main threats. Seems to have disappeared from lowlands in 1970s, possibly owing to aggressive competition from introduced Acridotheres tristis, which apparently has not penetrated forested uplands.