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Description |
Geographic Range [top]
Range Description: Anthracoceros malayanus is confined to the Sundaic lowlands of peninsular Thailand, Sabah, Sarawak and Peninsular Malaysia, Kalimantan and Sumatra (including the Lingga, Bangka, Belitung islands), Indonesia and Brunei (BirdLife International 2001). It is generally scarce or locally common in suitable habitat. Habitat loss has already driven it to the verge of extinction in Thailand.
Countries occurrence:
Native:
Brunei Darussalam; Indonesia; Malaysia; Thailand
Regionally extinct:
Singapore
Additional data:
? Continuing decline in area of occupancy (AOO): Yes
? Extreme fluctuations in area of occupancy (AOO): No ? Estimated extent of occurrence (EOO) - km2: 3050000
? 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): 200
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 has been described as locally common.
Trend Justification: A moderately rapid decline is suspected to be occurring, in line with the widespread destruction and degradation of lowland forests 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 lowland primary evergreen forest, usually below 200 m. It is also found in selectively logged, gallery and swamp forest and tall secondary forest.
Systems: Terrestrial
Continuing decline in area, extent and/or quality of habitat: Yes
Generation Length (years): 9.2
Movement patterns: Not a Migrant
Threats [top]
Major Threat(s): Forest destruction in the Sundaic lowlands of Indonesia has been extensive as a result of commercial and illegal logging, conversion to agriculture (particularly plantations) and increasing human population pressure. This speciess dependence on plains-level habitats places it at high risk, especially in Sumatra and Malay Peninsula.
Conservation Actions [top]
Conservation Actions: Conservation Actions Underway
CITES Appendix II.
Conservation Actions Proposed
Monitor populations across the range to determine the magnitude of declines and rates of range contraction. Ensure the protection of remaining tracts of lowland evergreen forest throughout the Sundaic region.
Citation: BirdLife International. 2016. Anthracoceros malayanus. The IUCN Red List of Threatened Species 2016: e.T22682441A92945886. http://dx.doi.org/10.2305/IUCN.UK.2016-3.RLTS.T22682441A92945886.en. Downloaded on 25 July 2017.
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