Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
1979 Walter D. Koenig
Melanerpes formicivorus
School Hill
(1 September)
This about ended our watch. The birds apparently roosted
somewhere back in the canyon west of the field: essentially
terra incognita. One bird returned briefly at about 1900 to
the granary area, but it was much too dark to figure out
much.
Note: 886 was watching 8402 carefully and not letting
him get alone with the ♀.
① 8402 took the initiative in going places - 886 just
tracked him (seen twice).
② Neither was tracking the ♀.
Clearly 886 is concerned about 8402. Unfortunately there
were no unambiguous dominance interactions but the
"herding" at 1823 may indicate 886's dominance. But unlike
previous watches elsewhere, the 88 seem to be keeping an
eye on each other (mainly 886→8402) rather than on the ♀.
2 September
15. Opened the hole, finding the 3 eggs, still cold and unincubated.
The 2 marked ones were fine. The 3rd had a large hole in the
shell and a crack emanating from it; the hole was covered
with membranes, but they too had a small slit in them through
which some air was leaking in. This egg surely won't make
it, but I returned it for now anyway.
1725. Checked the nest again only to find 4 eggs. The clutch
is not complete yet! Now off to find the birds. At least
2 sitting above the enclosure (the ♀ plus one !). Flushed as I
went up. Now I'm going up to SH'B' area, where they seem to
have retired. Transcribed notes from there are as follows:
1730. All 3 here at SH'B'. ♀ on left; 886 facing away; 8402 further