Rarity finders: Glaucous-winged Gull on Fair Isle. Publish date: 13/03/2017. A striking Larus found by Fair Isle warden David Parnaby turned out to be Britain's Please post to www.flickr.com/groups/birdguide/discuss/36682/ and/or to www.flickr.com/groups/. .. it rightly a limited gene pool from a small population creates a high frequency Washington, could be a Glaucous-winged Gull or a hybrid?Glaucous-winged is one of the largest and "meanest-looking" gulls and can often be distinguished just by shape. Young birds also show no contrast between the body and primaries. Glaucous-winged and Western gulls hydridize extensively so beware of intermediate-plumaged hybrids. Please post to www.flickr.com/groups/birdguide/discuss/36682/ and/or to .. In winter, there are probably as many Glaucous-winged Gull x Herring Gull hybrids since I have a few images that I could not identify with my limited knowledge. 279 Glaucous-winged Gull / Beringmeeuw Larus glaucescens, second calendar-year, Seal Rocks, Oregon, . Glaucous-winged Gull, a limited post-juvenile. Mar 13, 2017 6 Retweets; 23 Likes; Grant C Robertson · Viking Optical Ltd · Matthew Lonsdale · Mark Hipkin · Mark James Pearson · shoko7009 · Island Gal Large, stocky gull found in coastal areas, including towns and cities. Generally pale; adults have frosty gray wingtips that are only slightly darker than back color. Local Bird Guides · Important Bird Areas · Western Hemisphere Shorebird Reserve Glaucous-Winged Gull – March 2019 Bird of the Month . Audubon Alaska has identified the Glaucous-winged Gull species as a common They are found year-round in Alaska, although their range is quite limited (see range map). Mar 13, 2017 A striking Larus found by Fair Isle warden David Parnaby turned out to be Britain's third Glaucous-winged Gull.