Ixobrychus novaezelandiae

Taxonomy

Assessment Information

Geographic Range

Habitat and Ecology

Threats

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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	CHORDATA	AVES	CICONIIFORMES	ARDEIDAE

Scientific Name:

Ixobrychus novaezelandiae

Species Authority:

(Potts, 1871)

Common Name/s:

English

–

Black-backed Bittern, New Zealand Bittern, New Zealand Little Bittern

Assessment Information [top]

Red List Category & Criteria:

Extinct ver 3.1

Year Assessed:

2008

Assessor/s:

BirdLife International

Reviewer/s:

Bird, J., Butchart, S.

History:

2004	–	Extinct
2000	–	Extinct
1994	–	Extinct
1988	–	Extinct

Geographic Range [top]

Range Description:	Ixobrychus novaezelandiae was endemic to New Zealand¹. It became extinct before 1900, for unknown reasons, on the South Island, while on the North Island, it is only known from bones¹.

Range Description:

Ixobrychus novaezelandiae was endemic to New Zealand¹. It became extinct before 1900, for unknown reasons, on the South Island, while on the North Island, it is only known from bones¹.

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.

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 2008. Ixobrychus novaezelandiae. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloaded on 09 February 2012.
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