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on Pictures to enlarge or on File Numbers for specific data:
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Bonaparte’s Gull, Larus philadelphia <#128> -- J. J. Audubon |
Bonaparte's Gull, Larus philadelphia <#47> -- R. Leung |
California Gull, Larus californicus
<#747> -- J. Farrand, Jr. |
California Gull, Larus californicus
<#48> --
R. Leung |
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Franklin’s Gull, Larus pipixcan
<#768> -- O. J. Gromme |
Glaucous Gull, Larus hyperboreus
<#522> --
J. Farrand, Jr. |
Glaucous-winged Gull,
Larus glaucescens
<#658> -- J. J. Audubon |
Glaucous-winged Gull,
Larus glaucescens
<#521> --
J. Farrand, Jr. |
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Glaucous-winged Gull, Larus glaucescens <#49> -- R. Leung |
Heermann’s Gull, Larus heermanni
<#372> -- H. Clarke |
Herring Gull, Larus argentatus
<#161> -- J. J. Audubon |
Herring Gull, Larus argentatus
<#46> -- R. Leung |
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Laughing Gull, Larus atricilla
<#672> -- J. J. Audubon |
Laughing Gull, Larus atricilla
<#527> --
J. Farrand, Jr. |
Mew Gull, Larus canus <#524> -- J. Farrand, Jr. |
Ring-billed Gull, Larus delawarensis
<#704> -- J. J. Audubon |
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Ring-billed Gull, Larus delawarensis
<#371> --
H. Clarke |
Thayer’s Gull, Larus thayeri <#525> -- J. Farrand, Jr. |
Western Gull, Larus occidentalis
<#526> --
J. Farrand, Jr. |
Western Gull, Larus occidentalis
<#45> --
R. Leung |
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Yellow-footed Gull, Larus livens <#389> -- H.
Clarke |
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