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Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
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Transcription
1979 Walter D. Koenig
Melanerpes formicivorus
School Hill Fall Nest Record
Hastings Reservation
31 August 1300
Bird in hole; 2 eggs, cold.
1 September
3rd egg laid (see Ron's notes)
2 September 715
Checked nest: 3 eggs, cold
(1) 26.0 x 20.3
(2) 25.6 x 19.8
(3) 26.0 x 20.1 (the new one; had a hole
7 x 5 mm in shell; covered only
by the membranes).
Broken egg
1725
4 eggs now. Noone roosted in nest
tonight
3 September 1730
3 eggs; broken one (#3) gone
(4) 26.0 x 19.7
#3 had broken and was reported still in
nest by Ron at . Gone entirely
at 1730.
13 September 930
Still 3 eggs, no hatching yet
1815
14 September 1030
Still 3 eggs, no sign of hatching.
#1 appears infertile; #2 & #4 good.
1745
Still no sign of hatching
15 September 830
" " " "
1800
" " " "
16 September 1400
" " " "
17 September 730
Eggs hatching: #1: No hatch
#2: pipping
#4: hatched; baby at 3.9g
19 September 630
Two babies (#2, #4), 1 egg.