Mew
Gull south of Adam Beck Lookout |
It was on the
roosting rocks on the American side of the River, but it flew
several times onto the Canadian side. First spotted by Betsy Potter
about 12:15 p.m. on 1 January 2010. This is the North American
subspecies Larus canus brachyrhynchus. See links to photos of
Common Gull Larus canus canus at bottom of page. |
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Adult Mew Gull in winter (basic) plumage
has a slightly darker mantle than Ring-billed and Herring Gulls.
It's slightly smaller than Ring-billed Gull and has a very wide
tertial crescent compared to Ring-billed. In flight the white
trailing edge is wide. 1 January 2010 |
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Its bill is more
slender than Ring-billed Gull and it does not have a ring on the
bill. It has a dark iris. |
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Adult Mew Gull south
of Adam Beck Lookout on Niagara River in a snow storm on 1 January
2010. |
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Four links to photos
of Common Gulls |
1. Wales
October 2009 2.
Newfoundland January 2008 3.
Newfoundland 2007 4.
Common Gulls in Scandinavia July 2008 |
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