Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Remsen,
J.V.
1974
Blue-gray Gnatcatcher
Polioptila caerulea
Apr. 8 Mt. Diablo St. Park, Contra Costa Co., Calif : 1 ♂ in chaparral
Apr. 12 Pt. Pinole Reg. Park, Contra Costa Co.: 1 ♂ in willows along railroad tracks. Unusual location - must be migrant
May 24 Westgard Pass, Inyo Co., Calif : 1 pr. in pinyon-juniper
Jun. 1 Scotty's Castle, Inyo Co.; 1 ad. feeding juvenile .