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| juvenile Kamchatka Gull with adult Black-tailed Gull (left) |
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| juvenile molting to first winter Kamchatka Gull |
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| from left to right 2nd-winter Black-tailed, adult winter Black-tailed, juvenile Kamchatka, adult Black-tailed. |
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| juvenile Kamchatka Gull (front) with first winter Black-tailed Gull. |