Thayer's iceland gull
Web22 Jan 2013 · Abstract. Three Iceland gull taxa were defined mainly from adult wingtip melanism. Up until about 1860, nominate glaucoides (no melanism) was known to breed from Greenland to western High Arctic Canada, but by about 1900 it was essentially confined to Greenland. Until 1860, thayeri (most melanism) was known only from western … WebThayer's Gulls typically have brown secondaries and a brown tail band which are equal in color and duller than the body plumage. Iceland Gull rarely shares this, and onHerring Gull …
Thayer's iceland gull
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http://gull-research.org/glaucoides/5cyseptdec.html Web22 Jan 2013 · This enigmatic bird is variously treated as a full species, Larus thayeri (e.g., AOU 1998) or as a dark-winged subspecies of Iceland Gull, L. glaucoides (e.g., …
Thayer's gull (Larus glaucoides thayeri) is a subspecies of the Iceland gull. It is a large gull native to North America that breeds in the Arctic islands of Canada and winters primarily on the Pacific coast, from southern Alaska to the Gulf of California, though there are also wintering populations on the Great Lakes and the upper Mississippi River. The species has occurred as a vagrant to Japan, De… WebThis combination has been termed "Chandeleur gull". This hybrid is interesting as Louisiana is outside of the normal breeding range of both parent species. It is believed by some that the Kumlien's race of the Iceland gull may be a hybrid population between Iceland gulls …
http://www.anythinglarus.com/2024/01/thayers-iceland-gull-one-species.html Web23 Jan 2013 · Thayer’s Gulls winter primarily along the Pacific coast of North America from southern British Columbia to California. Mactavish has lived with thousands of wintering Kumlien’s Gulls for over 20 years. Howell has lived with hundreds of wintering Thayer’s Gulls for over 10 years and, in February 2002, visited Newfoundland to study Kumlien’s Gull.
WebThe Thayer's Gull is a large gull, with typical gull-like plumage. Until 1972, it was considered a subspecies of Herring Gull, but is once again classified as a full species. The adult is solid slate-gray on its backs and wings, with …
WebLarus glaucoides thayeri Brooks, WS 1915. Thayer's gull is a subspecies of the Iceland gull. It is a large gull native to North America that breeds in the Arctic islands of Canada and winters primarily on the Pacific coast, from southern Alaska to the Gulf of California, though there are also wintering populations on the Great Lakes and the ... community foundation jackson countyhttp://creagrus.home.montereybay.com/MTYlistTHGU.html easy recipe for cheesecake without cookingWeb10 Feb 2012 · Adult (Iceland) Medium-sized, pale-gray gull. The color of the wingtips is highly variable, ranging from white (this individual) to dark gray. Breeding birds a red ring … easy recipe for chicken cordon bleu casseroleWebAdults of both have a pale gray mantle. A classic adult Iceland Gull has all-white primaries and yellow eyes, and resembles a smaller, delicately built version of a Glaucous Gull. The “typical” adult Thayer’s Gull has brown eyes and shows some … community foundation lead report buffalohttp://www.irbc.ie/notes/kumliens/kumliens.php community foundation janesville wiWebAs everyone knows, Thayer's Gull was named as a species in 1915, reduced to the level of a sub species of the Herring Gull, Larus argentatus, a few years later,revived as a distinct species in the 1970s, and is now considered by some to be a subspecies ofthe Iceland Gull, L. glaucoides. The nomenclature and history of Thayer's Gull is so easy recipe for cheese strawsWebKumlien's Gull is very variable, forming an almost complete cline between the nominate and thayeri, and appears to be a hybrid swarm between them. Thayer's Gull was formerly treated as full species. A few authors have further suggested that Thayer's Gull itself is an intergrade between Iceland Gull and American Herring Gull. community foundation job titles