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Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
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Transcription
1984 R.L. Mumme
Acorn Woodpecker
Y Nest Record
30 May Opened new. high hole in the sycamore just below the Y: 3 eggs fresh. (Clutch may not be complete)
① 18.8 x 15.4 (ru-t)
② 25.7 x 20.0
③ 25.6 x 20.4
6 June Opened hole, 4 eggs Should hatch ~11 June
④ 26.0 x 21.0 should bad ~3 July
16 June Checked nest 1100: Only 1 nestling, no sign
of unhatched eggs
28 June Checked nest, Cold + Empty: Failed