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
Arnold 3 Nest Record
Hastings Reservation
30 April 1230 Activity first noted at nest hole;
Nest opened - 4 eggs.
1 May 1700 4 eggs still.
3 May 1730 4 eggs unchanged
9 May 1200 4 eggs unchanged. Eggs Measured:
① 25.6 x 18.8 ③ 24.7 x 18.9
② 24.8 x 18.7 ④ 24.4 x 18.1
11 May 1745 Apparently not hatched yet.
12 May Estimated hatching date
① WnR = 289 ② OrL = 290 ③ BlackL = 288 ④ MaungL = 287
[1] 13 May 1945 7.6 9/14 6.4 8/15 ⑦ 7.4 8/14 6.8 8/14
[3] 15 May 1800 16.0 11/18.5 10.7 9/19 14.6 10/18.5 13.1 10/18.5
[8] 20 May 1930 38.1 17/34 29.6 15/29 34.6 16/32 29.1 15/32
8 June 1800 78.3 -/-/111 78.5 79/49 86.9 -/-/1107 83.2 77/48