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Description |
Geographic Range [top]
Countries occurrence:
Native:
Australia; China; India; Indonesia; Myanmar; Nepal; New Caledonia; Papua New Guinea; Philippines; Taiwan, Province of China; Thailand; Viet Nam
Regionally extinct:
Bangladesh; Fiji
Vagrant:
Hong Kong; Japan
Additional data:
? Continuing decline in area of occupancy (AOO): Unknown
? Extreme fluctuations in area of occupancy (AOO): No ? Estimated extent of occurrence (EOO) - km2: 41000000
? 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): 2500
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 reported to be rare to very rare throughout most of its range (del Hoyo et al. 1999), while national population sizes have been estimated at c.100-10,000 breeding pairs in China and < c.100 breeding pairs in Taiwan (Brazil 2009).
Trend Justification: This species is suspected to be in decline owing to the continuing destruction and degradation of its habitat and use, in Australia, of rodenticides to control rats (del Hoyo et al. 1999).
Current Population Trend: Decreasing
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. Tyto longimembris. The IUCN Red List of Threatened Species 2016: e.T22688522A93199574. http://dx.doi.org/10.2305/IUCN.UK.2016-3.RLTS.T22688522A93199574.en. Downloaded on 08 February 2017.
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