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Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
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Transcription
1980 Walter D. Koenig
Melanerpes formicivorus
Buckeye Nest Record
16 April 930
Hastings Reservation
4 eggs in nest, fresh. See
notes for roosting behavior
12-15 April.
17 April 1700
5 eggs.
19 April 1600
6 eggs:
① 23.7×17.5
② 22.9×18.3
③ 22.5×17.8
④ 21.9×17.8
⑤ 24.0×17.5 [unmarked].
⑥ 23.6×18.1
25 April 1530
Still 6 eggs, cold. Nest
apparently abandoned.
7 May 1630
New nest: 7 eggs (not fresh)
① 23.1×18.2 ⑤ 23.7×18.3
② 23.4×18.5 ⑥ 24.0×18.5
③ 23.1×17.5 ⑦ 22.5×17.5
④ 23.5×18.2
12 May 1700
Still 7 eggs
17 May 1900
Both holes empty
26 May 1230
First nest hole opened: 8 eggs, freshish
① 23.7×18.6 ⑤ 23.9×17.5
② 24.3×18.0 ⑥ 23.5×18.7
③ 23.6×18.9 ⑦ 24.7×18.4
④ 24.5×18.3 ⑧ 23.2×18.2
30 May 1430
Hole still with 8 eggs but abandoned
(see notes).