Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Remsen,
J.V.
1977
(Audubon's) Yellow-rumped Warbler
Pendroica coronata auduboni
June 20 East Mojare Desert San Bernardino Co. Calif.: 1φ singing
in White Fir patch in New York Mountains. Sang regularly
from white fir trees but also disappeared for long periods of
time before returning - perhaps searching for mates. No φ seen.