15 January Photos: Sitka Birds March 6, 2011January 15, 2008 by matt goff [Show slideshow] This Glaucous-winged Gull (Larus glaucescens) has fairly dark wing-tips. Observed at Swan Lake. This Glaucous-winged Gull (Larus glaucescens) has fairly dark wing-tips. Observed at Swan Lake. This Glaucous-winged Gull (Larus glaucescens) is the same as in the two previous photos taken on this day. Observed at Swan Lake. Thayer's Gull (Larus thayeri) at Swan Lake. This group of Barrow's Goldeneye (Bucephala islandica) was spending time near the fuel dock. Some of them appeared to be pulling food off the pilings. This group of Barrow's Goldeneye (Bucephala islandica) was spending time near the fuel dock. Some of them appeared to be pulling food off the pilings. Share this:ShareFacebookTwitter