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
Plaque Nest Record
19 May
Bird first seen in hole
21 May 1500.
Nest opened: 7 eggs (!)
① 20.1 × 15.6 ⑤ 25.9 × 19.6 5.1gm
② 25.0 × 19.5 ⑥ 25.9 × 20.3 5.2gm
③ 26.1 × 18.9 ⑦ 25.3 5.0gm
④ 26.4 × 19.7 ⑧ 25.5 × 19.7 5.2gm
25 May
Estimated hatching date
30 May 1300.
Nest checked: 3 babies, 1 unhatched egg,
no trace of anything else [egg removed]
[5] 30 May 1300 22.5 ① Manuel R ⑦ Pink L ③
12/23 15.1 10/19 8.9 9/12
[10] 4 June 1645 44.0 ② 25.9 -
18/39 10/44 38/28 74.2
[23] 19 June 1600 68.8 ③ 105/69 -
10/44 41/29 → fed by me to 93.7gm
[26] 20 June 1400 66.5 ④ 106/73 -
[27] 22 June 1930 56.0gm Dead in nest. 106/73
Hastings Reservation