Slaty-backed Gull at the south pond at the Gog-Le-Hi-Te Mitigated Wetlands in Tacoma, WA. Nov. 3, 2013. Digiscoped.
Viewed: 2218 times.
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| Slaty-backed Gull at Lower Monumental Dam on the Snake River, Walla Walla County, WA. Its the dark one. Jan. 11, 2016.
Viewed: 1837 times.
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| Slaty-backed Gull at the boat launch at the north end of the Vernita Bridge along the Columbia River in Grant County, Washington. September 25, 2025.
Viewed: 336 times.
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| Another shot of the Slaty-backed Gull at the boat launch near the north end of Vernita Bridge over the Columbia River in Grant County, Washington. September 25, 2025.
Viewed: 193 times.
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| Slaty-backed Gull at the boat launch at the north end of the Vernita Bridge along the Columbia River in Grant County, Washington. It is molting into basic plumage with dark streaking around the eye visible. September 30, 2025.
Viewed: 242 times.
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| Another shot of the Slaty-backed Gull at the boat launch at the north end of the Vernita Bridge along the Columbia River in Grant County, Washington. September 30, 2025.
Viewed: 256 times.
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| Yet another shot of the Slaty-backed Gull at the boat launch at the north end of the Vernita Bridge along the Columbia River in Grant County, Washington. September 30, 2025.
Viewed: 220 times.
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Album: Jaegers, Alcids, Gulls, Terns, Skimmers 
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