Population information

Order name Ciconiiformes
Family name Ardeidae
Scientific name Egretta thula Common name Snowy Egret
Population name thula, 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 (E.t. thula, 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 300,000 1,000,000 Best guess [R1092] [R1141] [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 Reasonable [R1092] [R1141] [R1191]

Population 1% level

Publication Yearset 1 percent Note
WPE 3 0 -1
WPE 4 0 -1
WPE 5 2012 5500


  • R1092 - Huanca Llanos, N.E. 2006. Reporte final, Aves Acu?ticas en Bolivia. Asociaci?n Armonia, Santa Cruz de la Sierra (unpublished report to BirdLife International).
  • R1141 - Ottema, O. 2006. Waterbirds in Suriname: Final report. STINASU Foundation for Nature Conservation Suriname, Paramaribo (unpublished report).
  • 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 Unpublished information from the Neotropical Waterbird Census, 1990-2011, including contributions from Colombia (Asociaci?n Calidris in litt.), Paraguay (Guyra Paraguay in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