Population information

Order name Charadriiformes
Family name Laridae
Scientific name Hydroprogne caspia Common name Caspian Tern
Population name North America: Central Canada (bre)
Breeding range Central Canada from Manitoba to Alberta Non-breeding range Caribbean Basin & Pacific Coast?
Red List Category Least Concern
Ramsar regions Neotropics North America
Notes Population added in WPE3.

Conservation Framework

Conservation framework Notes
No conservation frameworks
Note:

Population size

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 3 0 0 26,000 30,000 [R707]
WPE 4 0 0 26,000 30,000 [R707]
WPE 1 0 0 -1 -1
WPE 2 0 0 -1 -1
WPE 5 2006 2011 37,500 75,000 Expert opinion [R1274]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 3 1970 2000 INC [R707]
WPE 4 1970 2000 INC [R707]
WPE 1 0 0 Unknown
WPE 2 0 0 Unknown
WPE 5 1970 2000 INC [R707]

Population 1% level

Publication Yearset 1 percent Note
WPE 3 2002 280
WPE 4 2006 280
WPE 1 0 -1
WPE 2 0 -1
WPE 5 2012 530

References

  • R707 - Wires, L.R. and Cuthbert, F.C. 2000.Trends in Caspian Tern numbers and distribution in North America: a review. Waterbirds 23: 388-404.
  • R1274 - Environment Canada. 2012. Status of Birds in Canada 2011: http://www.ec.gc.ca/soc-sbc/index-eng.aspx?sY=2010andsL=e)

Notes




Copyright Wetlands International 2012

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