A strikingly-patterned First-winter gull was found in Gangneung on December 6th, 2014. We have now posted a detailed description of this gull on the Birds Korea website, in an ID article containing expert input from gullers in North America and more than 20 images, including of Western Gull and other potential confusion species.
We welcome your comments.
Gull Showing Multiple Features of Western Gull Larus occidentalis
at Gangneung, Republic of Korea, December 6th 2014