Megacrex inepta 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Aves Gruiformes Rallidae

Scientific Name: Megacrex inepta d'Albertis & Salvadori, 1879
Common Name(s):
English New Guinea Flightless Rail, Papuan Flightless Rail
Taxonomic Source(s): del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A. and Fishpool, L.D.C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 1: Non-passerines. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.
Identification information:

Assessment Information [top]

Red List Category & Criteria: Near Threatened ver 3.1
Year Published: 2017
Date Assessed: 2016-10-01
Assessor(s): BirdLife International
Reviewer(s): Butchart, S. & Symes, A.
Contributor(s): Bishop, K.D., Gregory, P. & Leary, T.
Facilitator/Compiler(s): Benstead, P., Derhé, M., Dutson, G., Mahood, S., O'Brien, A., Wheatley, H.
This enigmatic species is known from very few records over a wide range, and, although it is thought to be more abundant than data would indicate, it probably has a moderately small population, which is declining owing to hunting and habitat degradation. It consequently qualifies as Near Threatened.

Previously published Red List assessments:

Geographic Range [top]

Range Description:Megacrex inepta is endemic to the lowlands of central New Guinea (Papua, formerly Irian Jaya, Indonesia and Papua New Guinea). There are very few records, but it is reported to be locally common, especially where sago is harvested (Gregory 1996, Taylor and van Perlo 1998). Its population size is unknown, but it appears to be small. There is no evidence of a significant decline.

Countries occurrence:
Indonesia; Papua New Guinea
Additional data:
Continuing decline in area of occupancy (AOO):Unknown
Extreme fluctuations in area of occupancy (AOO):NoEstimated extent of occurrence (EOO) - km2:405000
Continuing decline in extent of occurrence (EOO):UnknownExtreme 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.

Population [top]

Population:Population numbers are not known.

Trend Justification:  There are no data on population trends; however, deforestation and trapping are suspected to be causing a slow decline.
Current Population Trend:Decreasing
Additional data:
Continuing decline of mature individuals:Unknown
Extreme fluctuations:NoPopulation severely fragmented:No
Continuing decline in subpopulations:Unknown
Extreme fluctuations in subpopulations:NoAll individuals in one subpopulation:No

Habitat and Ecology [top]

Habitat and Ecology:It inhabits lowland forest, especially wet thickets, swamp forest and mangroves.

Continuing decline in area, extent and/or quality of habitat:Unknown
Generation Length (years):3.7
Movement patterns:Not a Migrant

Threats [top]

Major Threat(s): Although flightless, it appears to be able to fight off attacks from dogs and to climb into trees to escape predators (Ripley 1964, Coates 1985). It is hunted in some areas, sometimes targeted specifically with sago lures, and it may be affected by feral pigs. Lowland forests across its range are under pressure from logging (K. D. Bishop in litt. 1994, P. Gregory in litt. 1994, Gregory 1996, Taylor and van Perlo 1998, T. Leary in litt. 2000).

Conservation Actions [top]

Conservation Actions: Conservation Actions Underway
None is known.

Conservation Actions Proposed
Conduct field surveys and interviews in villages to better understand its distribution, population density and threats. Use awareness programmes to discourage hunting. Effectively protect large areas of lowland rainforest.

Amended [top]

Amended reason: EOO updated.

Citation: BirdLife International. 2017. Megacrex inepta. (amended version published in 2016) The IUCN Red List of Threatened Species 2017: e.T22692785A113056091. . Downloaded on 23 September 2017.
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