Population information

Order name Podicipediformes
Family name Podicipedidae
Scientific name Podilymbus podiceps Common name Pied-billed Grebe
Population name podiceps
Breeding range S & Central Canada to Panama Non-breeding range USA, Central America, W Indies
Red List Category Least Concern
Ramsar regions Neotropics North America
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 0 0 100,000 100,000 [R344]
WPE 4 0 0 100,000 100,000 [R344]
WPE 5 0 0 100,000 150,000 [S7542] [R1114]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 1 1966 1991 DEC [R635]
WPE 2 1966 1996 STA [R565]
WPE 3 1966 2000 STA [R563]
WPE 4 1966 2000 STA [R563]
WPE 5 0 0 STA [T3914] [R563]

Population 1% level

Publication Yearset 1 percent Note
WPE 1 0 -1
WPE 2 0 -1
WPE 3 2002 1000
WPE 4 2006 1000
WPE 5 2012 1200

References

  • R635 - Trapp, J. (pers. comm.). 1993. Unpublished data from the North American Breeding Bird Survey 1966-1991 compiled by USFWS for IWRB.
  • R565 - Sauer, J.R., Schwartz, S., Peterjohn, B.G. and Hines, J.E. 1996. The North American Breeding Bird Survey Home Page. Version 94.3 Natl. Biol. Serv., Patuxtent Wildlife Research Center, Laurel MD. URL: http://www.mbr.nbs.gov/bbs/bbs.html.
  • R344 - Jehl, J.R. jr. 2001. The abundance of the Eared (Black-necked) Grebe as a recent phenomenon. Waterbirds 24: 245-249.
  • R563 - Sauer, J. R., J. E. Hines, and J. Fallon. 2001. The North American Breeding Bird Survey, Results and Analysis 1966 - 2000. Version 2001.2, USGS Patuxent Wildlife Research Center, Laurel, MD.
  • R1114 - Komar, O., Angehr, G., Eisermann, K., Herrera, N. and Zolotoff, J.M.. 2006. Waterbird Population Estimates for Central America. IV North American Ornithological Conference. unpublished report.

Notes

  • S7542 - 90,000 in Canada (BSC; SOURCE), 5,777-12,550 in CA (Komar et al. 2006)
  • T3914 - No new data



Copyright Wetlands International 2012

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