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| A somewhat pronounced gonys angle, coupled with a few renewed upper scaps and an apparent short wing projection gives this Thayer's a somewhat "Cook Inlet" look. Photo 1 of 5. |
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| Photo 2 of 5. |
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| Photo 3 of 5. |
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| Photo 4 of 5. |
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| Photo 5 of 5. |
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| Juvenile Kumlien's Gull. |
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| Juvenile Lesser Black-backed Gull. |
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| Adult Lesser Black-backed with tongue pierced through the lower mandible. |
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| This bird was yawning frequently in the 3-4 minutes I observed it. I got the impression it was mildly agitated. |