Creagrus furcatus Swallow-tailed Gull ID: 6666 6666 0309 0034 [detail] Gerald and Buff Corsi © 2009 California Academy of Sciences	Creagrus furcatus Swallow-tailed Gull ID: 6666 6666 0309 0035 [detail] Gerald and Buff Corsi © 2009 California Academy of Sciences	Larus glaucescens Glaucous-winged Gull ID: 1338 3161 0661 0087 [detail] Sherry Ballard © 2004 California Academy of Sciences	Larus glaucescens Glaucus-winged Gulls ID: 8235 3181 2555 0039 [detail] Dr. G Dallas and Margaret Hanna © 1999 California Academy of Sciences
Larus occidentalis Western Gull ID: 8235 3181 2555 0023 [detail] Unknown (CAS) © 1999 California Academy of Sciences	Larus occidentalis Western Gull ID: 1338 3161 0661 0089 [detail] Sherry Ballard © 2004 California Academy of Sciences	Larus occidentalis Western Gull ID: 1338 3161 0661 0088 [detail] Sherry Ballard © 2004 California Academy of Sciences	Larus sp. Gull ID: 0091 3183 0918 0071 [detail] Marguerite Gregory © 2001 California Academy of Sciences

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