Bowdleria rufescens 


Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Aves Passeriformes Sylviidae

Scientific Name: Bowdleria rufescens
Species Authority: (Buller, 1869)
Common Name(s):
English Chatham Fernbird, Chatham Island Fernbird, Chatham Islands Fernbird
Megalurus rufescens rufescens Sibley and Monroe (1990, 1993)
Taxonomic Source(s): Brooks, T. 2000. Extinct species. In: BirdLife International (ed.), Threatened birds of the world, pp. 701-708. Lynx Edicions and BirdLife International, Barcelona and Cambridge, U.K.

Assessment Information [top]

Red List Category & Criteria: Extinct ver 3.1
Year Published: 2012
Date Assessed: 2012-05-01
Assessor(s): BirdLife International
Reviewer(s): Symes, A. & Butchart, S.
Facilitator/Compiler(s): Brooks, T., Khwaja, N., Mahood, S.
This species was formerly found on the Chatham Islands, New Zealand, but is thought to have gone Extinct around 1892 when the last specimen was collected. Habitat destruction and invasive species were probably the major causes.
Previously published Red List assessments:
2008 Extinct (EX)
2004 Extinct (EX)
2000 Extinct (EX)
1994 Extinct (EX)
1988 Extinct (EX)

Geographic Range [top]

Range Description: Bowdleria rufescens was endemic to Pitt and Mangere Islands in the Chatham Islands, New Zealand (Greenway 1967). It is thought to have gone extinct soon after the last specimen was taken in 1892 (Tennyson and Martinson 2006).

Countries occurrence:
Regionally extinct:
New Zealand
Continuing decline in area of occupancy (AOO): Unknown
Extreme fluctuations in area of occupancy (AOO): No
Estimated extent of occurrence (EOO) - km2:
Continuing decline in extent of occurrence (EOO): Unknown
Extreme fluctuations in extent of occurrence (EOO): No
Continuing decline in number of locations: Unknown
Extreme fluctuations in the number of locations: No
Range Map: Click here to open the map viewer and explore range.

Habitat and Ecology [top]

Habitat and Ecology: It occupied low brushland.

Systems: Terrestrial
Continuing decline in area, extent and/or quality of habitat: Unknown
Generation Length (years): 3.2
Movement patterns: Not a Migrant

Threats [top]

Major Threat(s): It presumably declined to extinction due to habitat loss caused by burning and overgrazing by introduced goats and rabbits, and to predation by cats (Fleming 1939).

Citation: BirdLife International. 2012. Bowdleria rufescens. The IUCN Red List of Threatened Species 2012: e.T22728902A39885600. . Downloaded on 25 November 2015.
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