Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
1978 Walter D. Koenig
Melanerpes formicivorus
1800 Nest Record
12 May 1115
Hastings Reservation
Hole opened: 7 fresh eggs:
① 26.5 × 21.4 ⑤ 23.5 × 19.5
② 27.1 × 21.1 ⑥ 23.4 × 19.3
③ 25.1 × 21.1 ⑦ 23.6 × 17.7
④ 24.0 × 19.3
19 May 1645
27 May 1500.
7 eggs. (hole checked with mirror).
Nothing in nest. Failed.