Population information

Nom ordre Gaviiformes
Nom famille Gaviidae
Nom scientifique Gavia immer Nom courant Common Loon
Nom population North America
Aire de reproduction N USA, Canada and Alaska Aire de non-reproduction Coastal regions, Great Lakes and Southern states
Catégorie de la Liste Rouge Least Concern
Regions Ramsar North America
Notes

Réseau de conservation

Réseau de conservation Notes
Pas des Réseaux de conservation
Note:

Taille de population

Publication Start year End year Minimum Maximum Estimate quality Notes References Actions
WPE 3 0 0 575,000 575,000 [R277]
WPE 4 0 0 607,000 634,000 [S4794] [R225]
WPE 2 0 0 500,000 500,000 [R440]
WPE 1 0 0 500,000 500,000 [R440]
WPE 5 0 0 607,000 635,000 Expert opinion [R1064]

Population trends

Publication Start year End year Trend Trend quality Notes References Actions
WPE 3 1920 1989 STA/DEC [R439]
WPE 4 1920 1989 STA/DEC [R439]
WPE 2 1966 1996 INC [R565]
WPE 1 1977 1987 INC [R440]
WPE 5 0 0 No idea [T5884] [R1064]

Population 1% level

Publication Yearset 1 percent Note
WPE 3 2002 5800
WPE 4 2006 6200
WPE 2 1997 5000
WPE 1 1994 5000
WPE 5 2012 6200

References

  • R277 - Groves, D.J., Conant, B., King, R.J., Hodges, J.I. and King, J.G. 1996. Status and trends of Loon populations summering in Alaska 1971-1993. The Condor 98: 189-195.
  • R439 - McIntyre J.W., and J.F. Barr. 1997. Common Loon (Gavia immer). In The Birds of North America, No. 313 (A. Poole and F. Gill, eds.). The Academy of Natural Sciences, Philadelphia, PA, and the American Ornithologists? Union, Washington, DC.
  • R225 - Evers, D.C., 2004. Status Assessment and Conservation Plan for the Common Loon (Gavia immer) in North America. US Fish and Wildlife Service, Hadley, MA.
  • R440 - McIntyre, J.W. 1988. The Common Loon: Spirit of northern lakes. Univ. Minnesota Press, Mpls. pp. 59-64; 150-155.
  • 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.
  • R1064 - Evers, D.C., Paruk, J.D., Mcintyre, J.W. and Barr, J.F. 2010. Common Loon (Gavia immer), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.bird

Notes

  • S4794 - 228: 607,000-634,000 estimated in early summer survey.
  • T5884 - Winter counts suggest a slight increase



Copyright Wetlands International 2012

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