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Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
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Transcription
1991 WaltrnD Koenig
Melanerpes formicivorus
Upper PTH
HNNR
27 January
*Group update*
juvs 1818, 1819, 1820, 1821, 1829→ All gone! Only 1819
was seen after banding ♀♂ on 20 June, gone by 6 Oct
→ Aug ± 2 months.
δ1713. Last seen 15 May, gone by 6 Oct. → D.A. 26 July ± 2 mo.
7 April
930. There are stores remaining here. Saw ♀ NOBA,
in a rather tight flock of 4 grifs. Presumably this
suggests they're mate-quarting here.
30 April
815. Saw ♀ NDBA, ♂ M/E-WCN) #1285 up here.
2 May
710. Watching up here for a bit.
6 May
900. Found a hole new to me in the next tree facing CVarande
(roughly)! Tried to peep it, but couldn't really see the bottom.
11 May
1500. Still noone in any of the known holes up here.
I'm beginning to wonder about these guys...
16 May
715. ♀ in last year's nest hole! Checked: 4 eggs, clear but not
laid today. Set up an ambush for the eventual capture of
the ♀.
18 May
1410. Peeped the nest here, confirming a final clutch size of 4.
25 May
830. Checked nest: 3 hatchlings plus one unhatched and infertile
egg. Babies surely hatched within the last 24 hrs.
29 May
1545. 2 live and 1 dead baby. Parasite board gone.
① Orb 26.5 ② DBB 20.5 ③ (Dead) 19.0.
The dead baby, who looked good otherwise, was taken for a tissue sample.
Mark looked at him and noted general marks typical of
an abused baby - red tip of wing, ☑ in bill, etc. It is fat,
though. I took some tissue and made him #1945.
30 May
2000. I watched roosting here but nobody came!? Hopefully