The categories used in Collar et al. No more than 2,000 birds remain. Approximately 2,000 individuals remain, scattered across several islands. Approximately 1,500 birds remain scattered across several islands. Last reliable sightings in 1976.
Rarity is possibly due to predation by introduced rats.
Collar et al. The Official Source for Birds on the IUCN Red List. A Guide to the Parrots of the World. Yale University Press, 1998. Black-winged Lories , Eos cyanogenia.