Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Remsen,
J.V.
1974
Red-winged Blackbird
Aegolius phoeniceus
Jan.6 Berkeley Aquatic Park, Alameda Co., Calif : 100 over
Feb.8 Coyote Hills Reg. Park, Alameda Co., Calif : $♀♀ displaying
on territory already.
Mar.30 301 Camino Pablo, Orinda, Contra Costa Co., Calif: A♀♀ have
arrived in the field across the street and now the four♂♂,
who have been singing there for a month, have gone crazy-
constant song and displaying and chasing.