Acorn woodpecker species accounts, v4452
Page 327
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
2002 Walks D Koening 2003 2004 Melanerpes formicarum UAZ HNHR (2 May) The broken egg (#4) had a hole in it and was empty, but could still be measured. (Calipers checked.) EHD ~ 6 May. 8 May 22 May 1130. Checked hole: empty! Nest failed. 945. Checked hole: 5 eggs, incubated! See Joey's notes for details. 28 May 1000. Checked nest; 3 babies (1 do; 1 runty one just hatched recently) + 1 normal unhatched egg + the rent egg (also unhatched). Band ~ 17 June. 17 June 30 August 1230. Banded the 3 kids, #3732-3734. No stores left here. 2003 10 April 17 April Bird in hole (same hole as last year). Stores: Yes 1500. Opened the hole: Egg; abandoned? Measured it just in case: 23.1 x 19.0. 30 April 1630. Checked The hole: 5 eggs, incubated. ① Same as#1 door ② 24.0 x 19.0 ③ 24.1 x 18.7 ④ 24.3 x 18.8 ⑤ 24.8 x 18.2 I imagine they should hatch soon! EID ~ 21 April. 10 May 20 May 1045. 3 babies, ~7-8 do. Band ~ 23 May. 1200. Banded & bled the 2 kids here, Stores: Yes 2004 20 April Plenty of stores; none in any holes. 6 May 1530. Bird in (usual untagged) hole: 5 eggs incubated, ① 28.2 x 18.7 ② 26.2 x 19.2 ③ 26.0 x 19.2 ④ 25.4 x 19.6 ⑤ 25.4 x 19.0. EHD ~ 11 May.