Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Remsen,
J.V.
1973
Black-throated Blue Warbler
Dendroica caerulecens
Oct.27 Point Reyes N.S., Marin Co., Calif: 1 beautiful & discovered in cypress trees in front of residence above the fishing docks at the south point cave by Dick Erickson. My description follows. Calif. state bird #408.