Justification of Red List Category
This species was known from New Zealand's South Island, but became Extinct for unknown reasons some time in the 1890s.
No extant population remains.
Ixobrychus novaezelandiae was endemic to New Zealand. It became extinct before 1900, for unknown reasons, on the South Island, while on the North Island it is only known from bones (Holdaway 1999).
It is likely to have inhabited freshwater wetlands.
Reasons for its extinction are not known, but introduced predators and hunting are responsible for the demise of most of the New Zealand's endemic species.
Text account compilers
Brooks, T., Khwaja, N., Mahood, S. & Symes, A.
BirdLife International (2018) Species factsheet: Ixobrychus novaezelandiae. Downloaded from http://www.birdlife.org on 15/12/2018. Recommended citation for factsheets for more than one species: BirdLife International (2018) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 15/12/2018.