Population information

Order name Ciconiiformes
Family name Threskiornithidae
Scientific name Theristicus caerulescens Common name Plumbeous Ibis
Population name South America
Breeding range C. Brazil, Bolivia, Paraguay, N Argentina, Uruguay 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 25,000 100,000 [R119]
WPE 2 1993 1993 25,000 100,000 [R119]
WPE 3 0 0 50,000 100,000 [R108]
WPE 4 0 0 50,000 100,000 [R108]
WPE 5 2005 2011 50,000 100,000 Best guess [R1092] [R1183] [R1191]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1982 1992 STA [R119]
WPE 2 1982 1992 STA [R119]
WPE 3 1982 1992 STA [R119]
WPE 4 1982 1992 STA [R119]
WPE 5 2001 2010 STA Reasonable [R119]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 0 -1
WPE 2 0 -1
WPE 3 2002 750
WPE 4 2006 750
WPE 5 2012 710

References

  • R119 - Canevari, P. (pers. comm.). 1993. Unpublished information from Neotropical Wetlands Program.
  • R108 - Byers, O., et al., Ed. 1995. Stork, Ibis, and Spoonbill Conservation Assessment and Management Plan: Working Document. IUCN/SSC Conservation Breeding Specialist Group: Apple Valley, MN.
  • 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 Asociaci?n Armonia, Santa Cruz de la Sierra (unpublished report to BirdLife International).
  • 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 Unpublished information on Argentine waterbirds.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 Unpublished information from the Neotropical Waterbird Census, 1990-2011, including contributions from Colombia (Asociaci?n Calidris in litt.), Paraguay (Guyra Paraguay in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