Ixobrychus novaezelandiae


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Ixobrychus novaezelandiae
Species Authority: (Potts, 1871)
Common Name(s):
English New Zealand Little Bittern, New Zealand Little Bittern, New Zealand Bittern
Taxonomic Notes: Payne (1979) suggested that it belonged to the same subspecies as (and therefore should have nomenclatural priority over) the Australian race of Little Bittern I. minutus dubius.

Assessment Information [top]

Red List Category & Criteria: Extinct ver 3.1
Year Published: 2014
Date Assessed: 2012-06-01
Assessor(s): BirdLife International
Reviewer(s): Butchart, S.
Facilitator/Compiler(s): Brooks, T., Khwaja, N., Mahood, S. & Symes, A.
This species was known from New Zealand's South Island, but became Extinct for unknown reasons some time in the 1890s.
2012 Extinct

Geographic Range [top]

Range Description: 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).

Regionally extinct:
New Zealand
Range Map: Click here to open the map viewer and explore range.

Habitat and Ecology [top]

Habitat and Ecology: It is likely to have inhabited freshwater wetlands.

Systems: Freshwater

Threats [top]

Major Threat(s): 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.

Citation: BirdLife International 2014. Ixobrychus novaezelandiae. The IUCN Red List of Threatened Species. Version 2015.2. <>. Downloaded on 29 August 2015.
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