Population information

Order name Podicipediformes
Family name Podicipedidae
Scientific name Podiceps major Common name Great Grebe
Population name major, Brazil-C Chile
Breeding range S Brazil-Central Chile & Central Argentina 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 0 0 -1 -1
WPE 2 0 0 -1 -1
WPE 3 2001 2001 10,000 25,000 [R570]
WPE 4 2001 2001 10,000 25,000 [R570]
WPE 5 2011 2011 10,000 25,000 Best guess [R1011] [R1183]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 0 0 Unknown
WPE 2 0 0 Unknown
WPE 3 0 0 Unknown
WPE 4 0 0 Unknown
WPE 5 2001 2010 STA Poor [R1011] [R1183]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 0 -1
WPE 2 0 -1
WPE 3 2002 250
WPE 4 2006 250
WPE 5 2012 250

References

  • R570 - Schlatter, R. (In litt.). 2002. Unpublished information on Southern South American waterbirds.
  • R1011 - Averaves. 2012. Unpublished information from the Neotropical Waterbird Census in Uruguay, 1990-2011.
  • R1183 - Unterkofler, D. and Blanco, D.E. 2012. Unpublished information on Argentine waterbirds.

Notes




Copyright Wetlands International 2012

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