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Description |
Geographic Range [top]
Range Description: Harpactes duvaucelii occurs in the Sundaic lowlands, from south Tenasserim, Myanmar, peninsular Thailand, Sabah, Sarawak and Peninsular Malaysia, Singapore, Kalimantan and Sumatra, Indonesia and Brunei, where it is generally abundant in appropriate forest habitats (BirdLife International 2001).
Countries occurrence:
Native:
Brunei Darussalam; Indonesia; Malaysia; Myanmar; Thailand
Continuing decline in area of occupancy (AOO): Yes
Extreme fluctuations in area of occupancy (AOO): No
Estimated extent of occurrence (EOO) - km2: 1250000
Continuing decline in extent of occurrence (EOO): Yes
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): 1070
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 uncommon in Thailand, common in Peninsular Malaysia and throughout lowland Borneo and considered the most numerous trogon in Sumatra (del Hoyo et al. 1999).
Trend Justification: A moderately rapid population decline is suspected to be occurring, as a result of the continuing destruction and degradation of lowland rainforests throughout the speciess range.
Current Population Trend: Decreasing
Additional data:
?Number of mature individuals: Unknown ?Continuing decline of mature individuals: Yes
?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]
Habitat and Ecology: This species is found in lowland primary and logged forests (including swamp forest, although there are no records from peatswamp) to 1,065 m.
Systems: Terrestrial
Continuing decline in area, extent and/or quality of habitat: Yes
Generation Length (years): 7.3
Movement patterns: Not a Migrant
Threats [top]
Major Threat(s): Rates of forest loss in the Sundaic lowlands have been extremely rapid, owing partly to the escalation of illegal logging and land conversion, with deliberate targeting of all remaining stands of valuable timber including those inside protected areas. Forest fires have also had a damaging effect (particularly in 1997-1998). Although apparently intolerant of disturbance to canopy cover, the large range and high abundance of this species suggests that it is not imminently threatened.
Conservation Actions [top]
Conservation Actions: Conservation Actions Underway
No targeted conservation actions are known for this species, although it occurs in a number of protected areas.
Conservation Actions Proposed
Conduct repeated surveys across the range to estimate population trends and rates of range contraction. Ensure the protection of remaining tracts of primary lowland rainforest throughout the range.
Citation: BirdLife International. 2012. Harpactes duvaucelii. The IUCN Red List of Threatened Species 2012: e.T22682848A37989440. http://dx.doi.org/10.2305/IUCN.UK.2012-1.RLTS.T22682848A37989440.en. Downloaded on 09 June 2016.
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