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Description |
Geographic Range [top]
Range Description: Eurylaimus ochromalus is confined to the Sundaic lowlands, where it is recorded from south Tenasserim, Myanmar, peninsular and west Thailand, Sabah, Sarawak and Peninsular Malaysia, Singapore, Kalimantan (including the Natuna Islands) and Sumatra (including offshore islands), Java and Bali, Indonesia and Brunei (BirdLife International 2001). It remains locally common in areas of suitable habitat.
Countries occurrence:
Native:
Brunei Darussalam; Indonesia; Malaysia; Myanmar; Thailand
Regionally extinct:
Singapore
Continuing decline in area of occupancy (AOO): Yes
Extreme fluctuations in area of occupancy (AOO): No
Estimated extent of occurrence (EOO) - km2: 1090000
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): 1220
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population: The population size of this species has not been quantified, but it is described as locally common.
Trend Justification: A moderately rapid population decline is suspected to be occurring in line with rates of habitat loss 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 occurs in a variety of forest types including primary lowland evergreen forest, mixed dipterocarp forest, swamp forest and forest edge, as well as secondary growth and adjacent plantations. It occurs mainly in the lowlands, up to 1,200 m in some areas. Persistence in logged forests, secondary habitats and plantations is dependent on the presence of many remnant tall trees.
Systems: Terrestrial
Continuing decline in area, extent and/or quality of habitat: Yes
Generation Length (years): 4.2
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). The magnitude of these threats may be allayed by this speciess tolerance of secondary forest.
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 speciess range to determine the magnitude of declines and rates of range contraction. Conduct ecological studies to improve understanding of its precise habitat requirements, tolerance of secondary habitats and response to fragmentation. Campaign for the protection of remaining tracts of lowland forest throughout the speciess range.
Citation: BirdLife International. 2012. Eurylaimus ochromalus. The IUCN Red List of Threatened Species 2012: e.T22698735A38102203. http://dx.doi.org/10.2305/IUCN.UK.2012-1.RLTS.T22698735A38102203.en. Downloaded on 11 May 2016.
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