Population information

Order name Ciconiiformes
Family name Ardeidae
Scientific name Nycticorax nycticorax Common name Black-crowned Night-heron
Population name nycticorax, Western Asia/SW Asia & NE Africa
Breeding range Caspian, Central Asia Non-breeding range Sub-Saharan Africa
Red List Category Least Concern
Ramsar regions Africa Asia Europe
Notes

Conservation Framework

Conservation framework Notes
AEWA
CAF Action Plan
EUBD
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 1 1994 1994 10,000 100,000 [R70]
WPE 2 1994 1994 10,000 100,000 [R70]
WPE 3 0 0 25,000 100,000 [R579]
WPE 4 0 0 25,000 100,000 [R579]
WPE 5 2002 2002 25,000 100,000 Best guess [R579]
CSR 4 2002 2002 25,000 100,000 Best guess [R579]
CSR 5 2002 2002 25,000 100,000 Best guess [R579]
CSR 6 2002 2002 25,000 100,000 Best guess [R579]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 0 0 Unknown
WPE 2 0 0 Unknown
WPE 3 0 0 Unknown
WPE 4 0 0 Unknown
WPE 5 1990 2000 STA No idea [R66]
CSR 4 1990 2000 STA No idea [R66]
CSR 5 1990 2000 STA No idea [R66]
CSR 6 2000 2012 Unknown No idea

Population 1% level

Publication Yearset 1 percent Note
WPE 1 0 -1
WPE 2 0 -1
WPE 3 2002 1000
WPE 4 2006 1000
WPE 5 2012 1000
CSR 4 0 -1
CSR 5 0 -1

References

  • R70 - BirdLife International/European Birds Census Council, European Birds Database. Accessed March 1994.
  • R579 - Scott, D.A. in press, 2002. Report on the Conservation Status of Migratory Waterbirds in the Agreement Area. Update Report to African Eurasian Migratory Waterbird Agreement Secretariat
  • R66 - BirdLife International Website 2002
  • R1569 - Sheldon, R. 2017. Estimates of breeding waterbird populations in Central/SW Asia, The Caucasus and the Arabian Peninsula.

Notes




Copyright Wetlands International 2012

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