Field book I: Egg collection from El Verano, v4475
Page 56
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
57 May, 22. Black-headed Grosbeak & 96% Nest placed near the end of an Alder limb about fifteen feet from the ground. Nest composed of fine twigs and roots and lined with fine roots. Inc- slight