Field book I: Egg collection from El Verano, v4475
Page 18
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
13 May, 19 Black-headed Grosbeak. 5-96 2/4 Nest placed in Willow-tree about ten feet from ground in bank of Sonoma Creek. Composed of fine roots. Inc.- Fresh.