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Description |
Geographic Range [top]
Countries occurrence:
Native:
Brunei Darussalam; Cambodia; Fiji; French Polynesia; India; Indonesia; Japan; Malaysia; Myanmar; New Caledonia; Papua New Guinea; Philippines; Singapore; Solomon Islands; Taiwan, Province of China; Thailand; Timor-Leste; Tonga; Vanuatu; Viet Nam
Continuing decline in area of occupancy (AOO): Unknown
Extreme fluctuations in area of occupancy (AOO): No
Estimated extent of occurrence (EOO) - km2: 3360000
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
Upper elevation limit (metres): 2400
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population: The global population size has not been quantified, but the species is described as generally common (del Hoyo et al. 2004), while national population sizes have been estimated at c.10,000-100,000 breeding pairs in Taiwan and c.10,000-100,000 breeding pairs in Japan (Brazil 2009).
Trend Justification: The population is estimated to be increasing following recorded range expansions probably owing to the availability of artificial nest-sites (del Hoyo et al. 2004).
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. 2012. Hirundo tahitica. The IUCN Red List of Threatened Species 2012: e.T22712289A38583666. http://dx.doi.org/10.2305/IUCN.UK.2012-1.RLTS.T22712289A38583666.en. Downloaded on 15 June 2016.
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