Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
60. Larus philadelphia - Bonaforte Gull
Book or Magazine Author Artist Plate Page
Birds of Western Canada Tavernier Cellan Brooks T.V. A. 60
Pacific Coast Avifauna N. 18 V. Grinnell " " Frontispiece.
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