Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
1980 Walter D. Koenig
Melanerpes formicivorus
Upper Arnold 2 Nest Record
26 April 1145
30 April 1500
8 May 1100
Hastings Reservation
Bird in hole: 3 eggs, fresh.
① 24.4 × 18.6
② 24.3 × 18.6
③ 25.2 × 18.4 - didn't hatch
Still same 3 eggs only.
2 babies plus laddled egg (#3)
#590
① B12
#591
② NB
8 May 1100
20.3
16.6
28 May 1400
85.7 (91)
81.9 (85)
Devel. sequence (crown) →
1
2