Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
1976 Walter D. Koenig
Melanerpes formicivorus
Lower Arnold 2
Hastings Reservation
23 April 1305. Watching ♂ atop the Valley Oak perch tree;
apparently is ♂133.
1325. ♀ LP-LB/DP [Dark eye] finally showed up -#132. Apparently
nothing too exciting has happened here as yet.
27 April 1830. Walked by, seeing no one in the main area but later
seeing 2 birds, ♂ and ♀ (dark eye) across the canyon,
who I presume were these birds. They chased a 3rd
bird (♂) in the 5 minutes I was able to follow them.
1845. One bird chasing Dickey bird (Bluebird?) from storage tree.
1735. Bird flushed out of low hole in dead the old Blue Oak
storage tree - undoubtedly their nest.
1 May
2 May 1600. The hole was opened - undoubtedly one of the more
painful openings of my career, inasmuch as the hole is
about 2 feet down and the Q. touglesi wood is hard as
nails. The whole operation took nearly 1½ hours of
solid sawing. In any case, I was rewarded with 4
translucent eggs.
4 May 1640. Flushed ♀132 (bands seen) from nest hole; ♂ in perch tree.
West checked: still 4 eggs. One had a slight dent - almost
as though it had been caused by a misplaced gentle peck.
5 May 1800. Eggs unchanged. ♀ flushed from nest.
9 May 1100. Nest still being attended.
10 May 1200. Nobody in nest when I passed it. One bird in perch tree next
doors, however.
13 May 1830. Checked nest. Only 2 of the eggs hatched. #3 never
developed, as was suspected back on 5 May. #4 developed, but
died before hatching: the embryo, still in the broken egg,
→ GO TO P.4