Population information

Order name Ciconiiformes
Family name Ardeidae
Scientific name Egretta tricolor Common name Tricolored Heron
Population name ruficollis, USA (bre)
Breeding range E USA coast S from Maine Non-breeding range SE USA, Central & N S America
Red List Category Least Concern
Ramsar regions Neotropics North America
Notes In WPE2 this population belonged to one single population (E.t. ruficollis, North Am/NW Neotropics).

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 0 293,000 293,000 [R387]
WPE 4 0 0 293,000 293,000 [R387]
WPE 5 0 0 293,000 293,000 [R387]

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 2900
WPE 4 2006 2900
WPE 5 2012 2900


  • R387 - Kushlan, James, A., Melanie J. Steinkamp, Katharine Parsons, Jack Capp, Martin Acosta Cruz, Malcolm Coulter, Ian Davidson, Loney Dickson, Naomi Edelson, Richard Elliot, R. Michael Erwin, Scott Hatch, Stephen Kress, Robert Milko, Steve Miller, Kyra Mills, Richard Paul, Roberto Phillips, Jorge E. Saliva, Bill Sydeman, John Trapp, Jennifer Wheeler, and Kent Wohl. 2002. North American Waterbird Conservation Plan, Version 1. Waterbird Conservation for the Americas, Washington, DC, USA.
  • 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