Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
1987. M. Stanback
6
M. Formicivorus
PLQE
HNHR
(25 June) no preds. At 1504, heard more alarm calling and saw
Cooper's hawk in pursuit of an ACUR around r above
the sycamore by the shed-bridge. The ACW out flew
the hawk + got away. (Oh yes, the 1504 calls:
First from bridge-syc, 2nd from nest area. The
birds are not moving or speaking (still) at 1515. At
1516, I heard some pecking, but things are still pretty
deaf. At 1518, birds began karating to e/o. The baby
I am watching, didn't 'reactivate' until 1521. First
wakas & Flight at 1524:30. 1530 Dominance:
1403 > 1404. (1404 was sitting beside adult w
acorn, 1403 flew in, sat, then pecked 1404 who
retreated several steps. About 30 sec later 1403 > 1404.
Then about 1.5 min later 1403 > 1404. Thus
1403 >>> 1404 !!
27 June 1530-1545 Baby watch. 1403 >>> 1404. Also, one of
the babies went to the water hole and found a
squirrel. It karrited, was answered by an adult
who flew over (info?) and bombed the squirrel.
The baby copied and also bombed it. The adult
(4) also bombed the squirrel when it was on the
ground. 1645: Measured eggs: #1: 24.65 x 19.1,
#2: 25.15 x 19.65, 3: 25.6 x 19.95
#4: 26.1 x 20.1, 5: 24.6 x 18.45
29 June 1015 Plqe birds at MacRoberts (compare to Y birds here last
year) Anyway, baby 1403 was here w 9 MY-D, who I
suppose could be 9 984. Very close by was a 9 MLB