Population information

Order name Ciconiiformes
Family name Ardeidae
Scientific name Egretta caerulea Common name Little Blue Heron
Population name South America
Breeding range South America Non-breeding range
Red List Category Least Concern
Ramsar regions Neotropics
Notes In WPE2 this population belonged to one single population (North America/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 -1 -1
WPE 4 0 0 -1 -1
WPE 5 2005 2011 100,000 100,000 Best guess [R1141] [R1158] [R1183] [R1191]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 3 0 0 Unknown
WPE 4 0 0 Unknown
WPE 5 2001 2010 STA? No idea [R1183] [R1191] [R1141] [R1158]

Population 1% level

Publication Yearset 1 percent Note
WPE 3 0 -1
WPE 4 0 -1
WPE 5 2012 1000


  • R1141 - Ottema, O. 2006. Waterbirds in Suriname: Final report. STINASU Foundation for Nature Conservation Suriname, Paramaribo (unpublished report).
  • R1158 - Santander, T., J.R. Hidálgo and B. Haase. 2006. Reporte final Aves Acuáticas en Ecuador. Aves & Conservación, Quito (unpublished report).
  • R1183 - Unterkofler, D. and Blanco, D.E. 2012. Unpublished information on Argentine waterbirds.
  • R1191 - Wetlands International Argentina (compiler). 2012. Unpublished information from the Neotropical Waterbird Census, 1990-2011, including contributions from Colombia (Asociaci?n Calidris in litt.), Paraguay (Guyra Paraguay in litt.), Uruguay (Averaves in litt.) and Venezuela (Uni?n Venezolana de Ornit?logos in litt.).


Copyright Wetlands International 2012

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