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Larger Image
Courtesy of UC Berkeley, Bancroft Library
http://www.oac.cdlib.org/ark:/13030/k6p84jqx/?order=1

Title:

Myiarchus cinerascens.Ash-throated Flycatcher.

Description:

"Mazatlan -1869" --Two birds on flowering branch, with butterfly.

Contributing Institution:

UC Berkeley, Bancroft Library