Population information

Order name Ciconiiformes
Family name Ardeidae
Scientific name Ardea cocoi Common name Cocoi Heron
Population name South America, Panama
Breeding range South America to Panama, except Andes and extreme south Non-breeding range
Red List Category Least Concern
Ramsar regions Neotropics
Notes

Conservation Framework

Conservation framework Notes
No conservation frameworks
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 1 1993 1993 100,000 1,000,000 [R119]
WPE 2 1993 1993 100,000 1,000,000 [R119]
WPE 3 1993 1993 100,000 1,000,000 [R119]
WPE 4 1993 1993 100,000 1,000,000 [R119]
WPE 5 2005 2011 100,000 1,000,000 Best guess [R1092] [R1141] [R1158] [R1183] [R1191]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1982 1992 STA [R119]
WPE 2 1985 1995 INC [R571]
WPE 3 1990 2000 INC [R570]
WPE 4 1990 2000 INC [R570]
WPE 5 2001 2010 STA Poor [R1092] [R1141] [R1158] [R1183] [R1191]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 0 -1
WPE 2 0 -1
WPE 3 2002 10000
WPE 4 2006 10000
WPE 5 2012 10000

References

  • R119 - Canevari, P. (pers. comm.). 1993. Unpublished information from Neotropical Wetlands Program.
  • R571 - Schlatter, R. (pers. comm.). 1996. Unpublished information on Southern South American waterbirds.
  • R570 - Schlatter, R. (In litt.). 2002. Unpublished information on Southern South American waterbirds.
  • 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 Asociaci?n Armonia, Santa Cruz de la Sierra (unpublished report to BirdLife International).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 STINASU Foundation for Nature Conservation Suriname, Paramaribo (unpublished report).
  • 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 Aves & Conservación, Quito (unpublished report).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 Unpublished information on Argentine waterbirds.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 Unpublished information from the Neotropical Waterbird Census, 1990-2011, including contributions from Colombia (Asociaci?n Calidris in litt.), Paraguay (Guyra Paraguay in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.).

Notes




Copyright Wetlands International 2012

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