Laysan (Hawaiian Islands). Introduced to Midway Atoll.
 
Rarity Status
Currently this species is not classified as a rarity in this country OR information has not been updated.
Population
Estimated population is 888 - 1,064 (2010) and increasing.
Status CR
Habitat destruction and degradation and predation by introduced mammals are the main threats.
For more information see BirdLife International Species Factsheet.
Voice
Males have low, soft, hoarse 'quek', females quack.