Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
57
May, 29.
Black-headed Grosbeak.
5 96 4/3
Nest placed in small
forks at the end of
a willow limb about
eight feet from the
ground - along a creek.
Nest composed of
fine twigs and roots
and lined with fine
roots.
Inc- very slight.