Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
2001 Waltird Koenig
2002
2003
Melanerpes formicivorus
Cavity
HNHR
(11 May) Thus, assuming the (1st) egg was laid on 8 May,
it was laid when the kids were 23 days old.
23 May 1200. 3 babies, ~2 to +1 unhatched egg
(24.6×20.1). Band ~11 June. Be careful
opening this hole!
11 June 1315. Banded the 2 kids in the 2nd nest.
Maybe they'll go for a third...?
25 June 1830. Bird in (1st) nesthole again: 2 hatchlings
+2 unhatched eggs: ① 24.7×20.6 (developed;
prob. will hatch) and ② 23.3×20.6 (undeveloped).
A first! 3 nests in one season! Band ~14 July.
15 July 1630. Banded the 2 kids in the (unprecedented)
3rd successful nest here this spring!
2002
22 Apr 1315. Bird in new hole: 3 babies, ~2-3 do!
Band 5/10. Hole tagged 5553.
10 May 1330. Banded the 3 kids (3663-3665).
14 June Checked the (1st) nesthole: zilch. No 2nd
nest at all, apparently.
2003
7 Apr 1110. Bird in hole.
8 Apr 800. Checked The (high) hole and peeped 2 others:
zilch
23 Apr 845. Checked the hole again: still empty, even
Though birds have definitely been going in here.
6 May 1400. Birds in the hole again, but STILL empty!
Egg tossing? What's up here?