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possible
first winter
Slaty-backed Gull
November, 1998
Davis, CA

comments by Steve Hampton

Fig 1) I first noticed the bird on November 4. Even at 200 yards, I could see it's paler head, frostier upperparts, and browner folded primaries (with thin crescents) compared to the Herring Gulls. Photo by Marcel Holyoak, copyright 1998.




click here for standing and swimming photos click here for illustrations of wing patterns of first year Slaty-backed and similar species
click here for flight photos click here for photos of Glaucous-winged x Herring Gull hybrids
click here for my sketch with field notes (130 Kb) click here for photos of first winter Herring Gulls
click here for Joe Morlan's description