Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Dendroica auduboni
Oct. 21 El Batel, 5,000 feet, Zimalea
Seen or heard repeatedly in the last week, most frequently in association with other small passerines in loose flocks.
Presumably migrant.