Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
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Transcription
1977 Walter D. Koenig
Melanerpes formicivorus
Arnold I Nest Record
Hasting Reservation
13 April 1025 Bird first seen in hole.
17 April 1630 Hole partially opened. 24 eggs, probably 5. I ruint.
18 April 930 Opened: 7 eggs, all rather fresh.
① 19.7 × 16.4 ② 26.0 × 20.4
④ 24.1 × 19.5 ③ 26.4 × 20.7
⑤ 24.3 × 19.9 ⑤ 26.5 × 20.7
⑦ 24.5 × 18.7
19 April 900. Nest empty. No trace of eggs in or below nest.
For details on nest 2 (which also failed)
see regular notes.