Population information

Order name Ciconiiformes
Family name Ardeidae
Scientific name Ardea cinerea Common name Grey Heron
Population name jouyi, E, SE Asia
Breeding range Japan to N Myanmar S to Java Non-breeding range Northern birds migrate south in winter
Red List Category Least Concern
Ramsar regions Asia
Notes

Conservation Framework

Conservation framework Notes
EAAF Partnership
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 1 1987 1991 25,000 1,000,000 [R519]
WPE 2 1987 1991 25,000 1,000,000 [R519]
WPE 3 1987 1991 100,000 1,000,000 [R519]
WPE 4 1987 1991 100,000 1,000,000 [R519]
WPE 5 1987 1991 100,000 1,000,000 Best guess [R519]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1977 1991 DEC [R519]
WPE 2 1977 1991 DEC [R519]
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 0 -1
WPE 2 0 -1
WPE 3 2002 10000
WPE 4 2006 10000
WPE 5 2012 10000

References

  • R519 - Perennou, C.P., Mundkur, T. and Scott, D.A. 1994. The Asian Waterfowl Census 1987-1991: distribution and status of Asian waterfowl. IWRB Spec. Publ. No. 24; AWB Spec. Publ. No. 86. Slimbridge, UK and Kuala Lumpur, Malaysia.

Notes




Copyright Wetlands International 2012

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