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SmugMug > all-time keyword > gull > Thayer's Gull / Goéland de Thayer Third-year (3cy) adult Larus thayeri Andrew Haydon Park, Ottawa, Ontario 9 November 2009 A Thayer's gull blends in with a flock of ring-billed gulls. &nbsp;Note the slightly larger size and pink legs of the Thayer's gull on the left.
SmugMug > all-time keyword > gull > Thayer's Gull / Goéland de Thayer Third-year (3cy) adult Larus thayeri Andrew Haydon Park, Ottawa, Ontario 9 November 2009 The Thayer's gull is a rare winter specialty in the Ottawa region. &nbsp;They are very similar in appearance to ring-billed gulls, but there are a few field markers to look for that can help make an identification. Firstly, Thayer's are larger than ring-billed gulls, but not as large as American herring gulls. &nbsp;Thayer's have pink feet in all plumages and ages, whereas only first-year (1cy) ring-billed gulls have pink legs. &nbsp;The grey mantle or back on a Thayer's is lighter than a typical ring-billed gull. &nbsp;Lastly, the white crescent formed by the leading edge of the scapulars on the back of a Thayer's gull is more pronounced than on a ring-billed gull.
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SmugMug > all-time keyword > gull > Gulls & Terns photo
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Thayer's Gull / Goéland de Thayer
Third-year (3cy) adult
Larus thayeri
Andrew Haydon Park, Ottawa, Ontario
9 November 2009

A Thayer's gull blends in with a flock of ring-billed gulls.  Note the slightly larger size and pink legs of the Thayer's gull on the left.
> Thayer's Gull / Goéland de Thayer Third-year (3cy) adult Larus thayeri Andrew Haydon Park, Ottawa, Ontario 9 November 2009 A Thayer's gull blends in with a flock of ring-billed gulls. &nbsp;Note the slightly larger size and pink legs of the Thayer's gull on the left.
Thayer's Gull / Goéland de Thayer
Third-year (3cy) adult
Larus thayeri
Andrew Haydon Park, Ottawa, Ontario
9 November 2009

A Thayer's gull blends in with a flock of ring-billed gulls.  Note the slightly larger size and pink legs of the Thayer's gull on the left.
Photo by: Patrick J. Blake • see photo in gallery
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