Adult alternate Ring-billed Gull, Boulder County,
Colorado, 3/06.
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1st-cycle Ring-billed Gull, Larimer County, Colorado, 4/06. |
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Splashdown- Ring-billed Gull, Boulder County, Colorado, 2/06. |
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2nd winter Ring-billed Gull in flight, Arapahoe County, Colorado,
2/04. |
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1st winter Ring-billed Gull flight shot, Walden Ponds, Boulder County,
Colorado, 10/03. |
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Adult Ring-billed Gull flight shot, Union Reservoir, Weld County,
Colorado, 3/6/03. |
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Adult Ring-billed Gull head close-up. Notice damage
to bill. Chatfield State Park, Colorado, 12/02. |
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Ring-billed Gull with freshly caught fish it soon swallowed,
61st and Valmont Pond, Boulder, 1/28/03. (Better look out- might give
its dumpster-diving brethren a bad name!) |
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Juvenile Ring-billed Gull (a bit on the pale end of the continuum),
Jackson Reservoir, Morgan County, Colorado, 7/04. |
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Juvenile Ring-billed Gull in flight, Jackson Reservoir, Morgan County,
Colorado, 7/04. |
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1st winter Ring-billed Gull flying to evening roost,
6-mile Reservoir, Boulder County, Colorado, 3/5/03. |
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1st winter Ring-billed Gull, Pueblo City
Park, Pueblo, Colorado, 1/18/03. |
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1st summer Ring-billed Gull at Union Reservoir, Longmont,
Colorado. |
