Yaquina Bay birding
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The photo of the Mew Gull (below) offers a good opportunity to study the wingtip pattern that distinguishes "our" subspecies (brachyrhynchus) from the European and East Asian subspecies. Our bird, according to the illustration in the National Geographic field guide, shows much less black. It also shows more white in the primary feathers than the slightly larger Ring-billed Gull, and a much smaller bill.
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