Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
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Transcription
Marshall, 1942
Strix fulvescens
Los Esosmles
April 5 At night, ear heard one from 2nd ridge n. camp - called it rather close - also another farther down ridge. Variety of call patterns - always in lively rhythm & not as "barking" but more musical & mellow than S. occid.
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