Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Remsen,
J.V.
1973
Blue-gray Gnatcatcher
Polioptila caerulea
July 20 Diablo Ranch, Contra Costa Co., Calif.: 1 h.o.
July 27 Diablo Ranch: 4 on study site
July 28 Diablo Ranch: 4
""
July 31 Diablo Ranch: G " including juv. being fed by adults.
Sep. 6 Mines Rd., Alameda Co., Calif.: 1 h.o.
Sep. 13 Deep Springs Ranch, Inyo Co., Calif.: 1 sagebrush
Sep. 25 Pt. Diablo, Marin Co., Calif.: 3. Migrants or residents.