Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
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Transcription
1976 Walter D. Koenig
Melanerpes formicivorus
1800 Nest Record Hastings Reservation
10 May 1800 Activity first noted at nest
15 May 1200 Nest opened: 4 eggs (near hatching)
① 27.3 × 19.9 ② 28.2 × 19.6
③ 27.8 × 19.8 ④ 27.1 × 20.4
20 May Estimated hatching date
[6] 26 May (1130) ① DG ② BSP ③ Or ④
34.8 15/30 34.2 15/30 29.3 14/28 19.2 10/20
8 June Nest failed due to interference. See p. 5.