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Description |
Geographic Range [top]
Countries occurrence:
Native:
Cambodia; China; Lao Peoples Democratic Republic; Myanmar; Thailand; Viet Nam
Introduced:
Malaysia; Taiwan, Province of China
Vagrant:
Brunei Darussalam
Additional data:
? Continuing decline in area of occupancy (AOO): Unknown
? Extreme fluctuations in area of occupancy (AOO): No ? Estimated extent of occurrence (EOO) - km2: 4040000
? 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.
Population [top]
Population: The global population size has not been quantified, though national population sizes have been estimated at c.10,000-100,000 breeding pairs in China and c.100-10,000 introduced breeding pairs in Taiwan (Brazil 2009).
Trend Justification: The population is suspected to be increasing as ongoing habitat degradation is creating new areas of suitable habitat (Feare and Craig 1998).
Current Population Trend: Increasing
Additional data:
? Number of mature individuals: Unknown ? Continuing decline of mature individuals: Unknown
? Extreme fluctuations: No ? Population severely fragmented: No
? Continuing decline in subpopulations: Unknown
? Extreme fluctuations in subpopulations: No ? All individuals in one subpopulation: No
Habitat and Ecology [top]
Citation: BirdLife International. 2016. Gracupica nigricollis. The IUCN Red List of Threatened Species 2016: e.T22710903A94266268. http://dx.doi.org/10.2305/IUCN.UK.2016-3.RLTS.T22710903A94266268.en. Downloaded on 23 January 2017.
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