Gulls (Laridae)
Ring-billed Gull (Larus delawarensis)
French: Goéland à bec cerclé German: Ringschnabelmöwe Spanish: Gaviota de Delaware
Taxonomy:
Larus Delawarensis Ord, 1815, Philadelphia.
Morphometric analysis links it most closely with L. californicus. W population significantly larger and possibly subspecifically distinct. Monotypic.
Distribution: N California, E Washington and interior British Columbia across prairie provinces and N mountain and plains states; Great Lakes to Maritime Provinces. Winters in S portion of breeding range S to Gulf Coast, Central America and Greater Antilles, increasingly ranging to Lesser Antilles.
- Least Concern
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An adult on a beach, scaring away a Laughing Gull and feeding with Ruddy Turnstones Port Mahon, Kent County, Delaware, USA (Monotypic species)
Josep del Hoyo 5 May 2006 2 years ago 41 sec 4.3 -
An immature feeding on Horseshoe crab eggs with Laughing Gulls Port Mahon, Kent County, Delaware, USA (Monotypic species)
Josep del Hoyo 5 May 2006 2 years ago 43 sec 4.3 -
An immature on a post, calling and looking around Port Mahon, Kent County, Delaware, USA (Monotypic species)
Josep del Hoyo 5 May 2006 2 years ago 32 sec 4.3 -
A bird stamping the ground to make worms surface as they do when it rains Goes, Zeeland, Netherlands (Monotypic species)
Christian Dortu 31 October 2004 4 years ago 25 sec 4.2 -
An adult in winter plumage foraging Tiel, Netherlands (Monotypic species)
Peter van Dam 11 October 2007 1 year ago 37 sec 4.2 -
An adult swimming Shoreline Lake, Shoreline Park, Mountain View, Santa Clara County, California, USA (Monotypic species)
Cagan H Sekerciogl... 2002 7 years ago 26 sec 4.1
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A bird standing. Assateague Island National Seashore, Assateague Island, Maryland, USA
Sascha R. 19 November 2008 48 weeks ago 4.3 -
A nonbreeding bird resting. Montreal, Quebec, Canada
Christophe Gouraud 23 September 2008 19 weeks ago 4.3 -
Ring-billed Gull looking for food Alberta, Canada
Josie 30 September 2009 17 weeks ago 4 -
Solo vagrant from US, very rare in Ireland, scavenging with local gulls and swans. Bray, County Wicklow, Ireland
Brendan Marnell 8 April 2009 43 weeks ago 4 -
, Tampa Bay, Florida.jpg)
An adult in winter. Florida, USA
DansPix 25 December 2008 1 year ago 3.6 -
Adult summer in the ponds of Isabel La Católica city park. Parque Isabel la Católica, Gijón, Asturias, Spain
Luis Mario Arce 10 March 2009 33 weeks ago 3.5
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Adult in winter plumage calling Vancouver, British Columbia, Canada
Joe Angseesing 13 September 2003 4 weeks ago 4.5
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