Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
R.L. Mumme
1978
Melanerpes formicivorus
Group notes
1
Plaque
Hastings Reservation
11 Sept
1530 watch starts
1545 Nothing yet. Birds had been extremely active this
morning. Much chasing of Intruders (about 2-4) and Scrub
Jays. Valley Oak by Upper Barn has many acorns, and
seems to be big attraction. Also acorns, although probably
fewer, in Valley Oak on eastern edge of corral, near barn.
Spermophilus beecheyi seen in second tree (after acorn?).
1600 Scrub Jay harvests acorn in first Oak. no sign of AW.
1605 Golden Eagle! flies along crest of Buckeye Hill,
chased by two Red-tailed Hawks
1620 Ad male in Valley Oak #1, couldn't see bands
1625 Intraspecific chase, intruder chased towards Red Hill.
1640 Wilson's Warber, 4 Lesser Goldfinches in Riparian
growth next to upper barn and barn.
1720 Ad male LG/m and Ad female LB-W/Y (473+ 157) seen
together in Plaque oak, waka called. Female ate acorn. Female with Red
Right wing streamer
1735 Another chase up Buckeye Hill. Couldn't ID participants.
1739 Female 157 chases Scrub Jay
1800 Juv. 474 O-DB/M finally seen, being mildly chased
around large Oak north of the Plaque oak. Both male + female seemed
to chase the 1st year bird. Saw O/O on R leg. Eye quite white.
1810 Juv + male combine to chase jay. Juvenile later tolerated,
1815 end watch
13 Sept
1355 Start watch 1400 Accipiter cooperi soars by. All quiet. Ad male
#473 L.Green/White seen at 1410. He harvests acorn, flies
to large Valley Oak northeast of Plaque tree. Joined by female