Field notes, v570
Page 585
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
Cogswell 1948 Corvus brachyrhynchos 1. Oct. 16 - 1 1/2 mi. S. of St. Helena, 250'+, Napa Co., Calif. Block of 36 flew east across hi- way 29 at a height of about 300 feet in early P.M. -- approximately 2 mi. S. of Novato -- Marin Co., Calif. a close flock of at least 80 birds were feeding on some sort of insects which they frequently chased by a quick step or two to the side. This was in dry stubble field at inland edge of plain sloping up from salt water estuary. They were accompanied by a small flock of Euphagus cyanocephalus and agelaius phoeniceus. Nov. 21 Upper Lake Ranger Station, Lake Co., Calif. a straggling flock of about 50 birds flew up from field area W of upper lake & went off to the NE just before sunrise. (morning flight of blackbirds in different direction: - see agelaius phoeniceus & Euphagus cyanocephalus).