Population information

Order name Ciconiiformes
Family name Ardeidae
Scientific name Zonerodius heliosylus Common name Forest Bittern
Population name New Guinea
Breeding range New Guinea Non-breeding range
Red List Category Near Threatened
Ramsar regions Oceania
Notes

Conservation Framework

Conservation framework Notes
No conservation frameworks
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 1 1993 1993 1 10,000 [R665]
WPE 4 2006 2006 1 10,000 [R668]
WPE 2 0 0 1 10,000 [R667]
WPE 3 2002 2002 1 10,000 [R604]
WPE 5 2006 2006 1 10,000 No estimate [S7772] [R668]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1982 1992 DEC [R665]
WPE 4 1985 2005 DEC [R668]
WPE 2 1986 1996 DEC [R667]
WPE 3 1991 2001 DEC [R604]
WPE 5 1985 2005 DEC [R668]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 0 -1
WPE 4 2006 100
WPE 2 0 -1
WPE 3 2002 100
WPE 5 2012 100

References

  • R665 - Unpublished information provided by IWRB Specialist Research Groups
  • R668 - Unpublished information supplied by Wetlands International Specialist Groups, 2006.
  • R667 - Unpublished information supplied by Wetlands International Specialist Groups, 1997.
  • R604 - Specialist]] Unpublished information supplied by Wetlands International Specialist Groups, 2002.

Notes

  • S7772 - Very difficult to detect and invariably overlooked; thus virtually unknown in the wild (Bishop 2003).



Copyright Wetlands International 2012

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