A. Milne-Edwards and Oustalet, 1885,
Grand Comoro Island.
Hitherto treated as a subspecies of C. nigra but differs by its much smaller size (20% smaller = probably 50% lighter) (score 4); absence vs presence of obvious blue-grey outer edge of primaries (2); uniform pale flight-feathers underwing vs pale bases and darker outer halves (1); slightly streaked (pale central feather shafts) vs uniform brown crown (1). Differs from C. barklyi by evidence discussed under that species. Monotypic.
Ngazidja (Grand Comoro) and Ndzuani (Anjouan), in Comoro Is.
Food and feeding
Status and conservation
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