Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
1976 Walter D. Koenig
Melanerpes formicivorus
Upper Arnold 2 Nest Record
Hastings Reservation
22 May 800
♀ in hole; nest opened: 4 eggs
① 27.0 × 19.0
② 24.9 × 18.8 (trans-luscent)
③ 26.7 × 19.6
④ 25.6 × 19.5 (trans-luscent)
5 June ☐ 1630 Nothing in nest.