Justification of Red List Category
This species was known from Tahiti, but presumably went Extinct soon after it was last described in 1784. Introduced predators are likely to have been responsible.
No extant population remains.
Zapornia nigra is known from two illustrations, one by Forster from Tahiti, French Polynesia, from Cook's second voyage (1772-1775), and the other by Miller from 1784, and by subsequent descriptions by Latham and Gmelin. It presumably became extinct soon after (Walters 1988).
Nothing is known.
Introduced predators are likely to have led to its demise.
Text account compilers
Brooks, T., Khwaja, N. & Mahood, S.
BirdLife International (2018) Species factsheet: Zapornia nigra. Downloaded from http://www.birdlife.org on 14/12/2018. Recommended citation for factsheets for more than one species: BirdLife International (2018) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 14/12/2018.