Zapornia monasa


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Zapornia monasa
Species Authority: (Kittlitz, 1858)
Common Name(s):
English Kosrae Crake
Porzana monasa (Kittlitz, 1858)
Taxonomic Notes: Zapornia monasa (del Hoyo and Collar 2014) was previously placed in the genus Porzana.

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 known from the island of Kosrae in Micronesia. The only records come from 1827-1828 and it is thought to have been driven Extinct by introduced predators in the subsequent 50 years.

Geographic Range [top]

Range Description: Zapornia monasa was endemic to Kosrae, Caroline Islands, Federated States of Micronesia. Kittlitz collected the only two known specimens (now in St Petersburg) in 1827-1828, and regarded the species as uncommon even then (Taylor 1998). It declined to extinction over the next half-century.

Regionally extinct:
Micronesia, Federated States of
Range Map: Click here to open the map viewer and explore range.

Habitat and Ecology [top]

Habitat and Ecology: It inhabited coastal swamps and marshes, taro patches and "continually wet, shadowy places in the forest" (Taylor 1998). Measurements of the carpometacarpii from x-rays of the two specimens suggest that the species was flightless (Steadman 1986).

Systems: Terrestrial; Freshwater; Marine

Threats [top]

Major Threat(s): Its extinction quickly followed the arrival of rats from missionary and whaling ships in the 1830s and 1840s (Taylor 1998).

Citation: BirdLife International 2012. Zapornia monasa. The IUCN Red List of Threatened Species. Version 2015.2. <>. Downloaded on 01 September 2015.
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