Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Remsen,
J.V.
1977
Black-throated Blue Warbler
Dendroica caerulecens
Oct. 23 East Mojave Desert, San Bernardino Co., Calif.: 1♂ - Nelso. -
cottonwood tree just N. of schoolyard, In full ♂ plumage
except that there was some paleness in the black on the
throat,