Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
1977 Walter D. Koenig
Melanerpes formicivorus
1800 Nest Record
Hastings Reservation,
23 April 1100.
Bird first seen in nest area
[Day 0] 4 May 1500.
Went up to the hole only to hear
rasps of very young nestlings.
The hole was not opened.
12 May 1130
No sound from hole.