Population information

Order name Ciconiiformes
Family name Ardeidae
Scientific name Nyctanassa violacea Common name Yellow-crowned Night-heron
Population name violacea, North America
Breeding range E Central USA, E Mexico to Honduras Non-breeding range S USA, Caribbean, Central America
Red List Category Least Concern
Ramsar regions Neotropics North America
Notes Often placed in genus Nycticorax. In WPE2 this population belonged to one single population (N.v. violacea, North Am/Central America).

Conservation Framework

Conservation framework Notes
No conservation frameworks

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 3 0 0 75,000 150,000 [R106]
WPE 4 0 0 75,000 150,000 [R106]
WPE 5 0 0 75,000 150,000 [R106]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 3 1966 2000 STA [R563]
WPE 4 1966 2000 STA [R563]
WPE 5 1966 2000 STA [R563]

Population 1% level

Publication Yearset 1 percent Note
WPE 3 2002 1100
WPE 4 2006 1100
WPE 5 2012 1100


  • R106 - Butler, R.W., Kushlan, J.A. and Davidson, I.J. 2000. Herons in North America, Central America and the West Indies. Pp 151-175 in: Heron Conservation (James.A. Kushlan and Heinz Hafner, Eds.). Academic Press, London.
  • R563 - Sauer, J. R., J. E. Hines, and J. Fallon. 2001. The North American Breeding Bird Survey, Results and Analysis 1966 - 2000. Version 2001.2, USGS Patuxent Wildlife Research Center, Laurel, MD.


Copyright Wetlands International 2012

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