Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
1990 Walter D Koenig
Melanerpes formicivorus
Dark Hollow
HNHR
16 May 1645. A couple of birds up in the trees here; possibly a group
here? None in any holes.
9 June 1645. No acorns, no birds, probably no group to speak of, either.