Population information

Order name Ciconiiformes
Family name Ciconiidae
Scientific name Anastomus oscitans Common name Asian Openbill
Population name S, SE Asia
Breeding range S & SE Asia Non-breeding range
Red List Category Least Concern
Ramsar regions Asia
Notes

Conservation Framework

Conservation framework Notes
EAAF Partnership
CAF Action Plan
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 1 1993 1993 60,000 60,000 [R665]
WPE 2 0 0 1 125,000 [R667]
WPE 3 2002 2002 125,000 125,001 [R604]
WPE 4 0 0 300,000 300,000 [S4546] [R697]
WPE 5 0 0 300,000 300,000 [S6531] [R697]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1982 1992 DEC [R665]
WPE 2 0 0 Unknown
WPE 3 0 0 Unknown
WPE 4 0 0 Unknown
WPE 5 0 0 Unknown No idea

Population 1% level

Publication Yearset 1 percent Note
WPE 1 1994 600
WPE 2 1997 1250
WPE 3 2002 1250
WPE 4 2006 3000
WPE 5 2012 3000

References

  • R665 - Unpublished information provided by IWRB Specialist Research Groups
  • R667 - Unpublished information supplied by Wetlands International Specialist Groups, 1997.
  • R604 - Specialist]] Unpublished information supplied by Wetlands International Specialist Groups, 2002.
  • R697 - Wildlife Research Group. 2004. Distribution of nesting colonies and population of Asian Openbills in Thailand. Unpublished Report. Department of National Parks, Wildlife and Plants Conservation, Bangkok (in Thai).

Notes

  • S4546 - 705: Wildlife Research Group 2004 estimate the Thai population at 226,000 individuals. 413: 60,000 recorded in S Asia in AWC 2002. 33: Indian population 100,000.
  • S6531 - 705: Wildlife Research Group 2004 estimate the Thai population at 226,000 individuals. Li in litt. 2005: 60,000 recorded in S Asia in AWC 2002. 33: Indian population 100,000.



Copyright Wetlands International 2012

Citation: Wetlands International (). "Waterbird Population Estimates" . Retrieved from wpe.wetlands.org on