Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
one egg has 2 holes
May, /6
Black-headed Grosbeak.
596 '14.
Nest placed in
Oak tree about eight
feet from ground on
banks of creek.
Composed of fine
roots.
Inc. - Fresh