Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
2000
2001
Walter D Koenig
Melanerpes formicivorus
Knoll
(Chola 289)
HNHR
19 April) 1330. Bird in hole facing labs. Peeped it: 5 eggs, look
freshish. (EHD: 28 April)
Lots of stores here still.
2 May 945. 3 babies, 4-5 do, +1 unhatched, added egg,
Band ~ 16 May.
17 May 1230. Banded the 3 kits. Stores: yes; plenty.
19 July 1515. Checked the 2nd nest: 4 eggs, but all are
infertile or at least undeveloped! Too bad.
Still stores here.
31 August 1600. A whole group of birds flushed together-
nate-guarding?
2001
13 April 1245. Bird in old hole (#289): 8 eggs, fresh.
25 April 1600. 4 babies + 1 egg ①25.5×18.8. ~2 do
Band 14 May.
14 May 830. Banded the 4 kits (#3398-3401).
1 June 1630. 2nd nest, high in the locust behind the
6am (tagged 1324). 5 eggs, 1-2 days inc.
EHD: 11 June. Measured 2: ①26.7×19.3 ②26.6×19.1
13 June 1330. Hole completely empty!!
26 June 1100. Back in the 1st hole: 6 inc. eggs. Measured
2: ①25.7×19.7 and ② 25.1×19.0, EHD: Soon.
1 July 1245. Only 3 eggs, 1 of which is partly crushed
and unlikely to hatch. Other 2 could still be OK
and ② ① would appear to be hatching imminently.
15 July 1700. Nest is empty. Meanwhile, the birds are