Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
1577
Weather Conditions
to Date.
On the whole, except for the few days around the 10th. of
November (when there were torrential rains and winds of
gale force) there have been few departures from normal
during the past month or two. At present the rainfall on this side
of the bay is about 25% in excess of normal (about 3 times that of
last year). The weather has been, on the whole, mild. The absolute
minimum temperature in the upper garden, so far, during this period,
has been 36° and there has been no frost; but there has been frost
at lower and higher altitudes, but not severe.
Wild currants, gooseberries, elderberries are coming into
new leaf. The alders and the hazels have their catkins out and the
manzanita variety having sessile leaves (Arctostaphylos Andersonii)
and the Silk Tassel tree (Garrrya elliptica) are in full bloom at
elevations of 1000 to 1500 feet. This is not exceptional for these
wild plants at this time of the year, but normal.
After having his mouse Rhody adjourned to the south-facing bank
by the orchard to lie in the sun-spotted shade. Here he remained
until a little after 2 P.M. until movements of mine suggested mouse
to him and he followed to the tool-house, only to dash off in one
of his circuses, finally returning to me for his mouse after one
sonorous rattle-boo. He again returned to the bank and was still
there at 4 P.M. His roosting time was not noted, but he was in his
roost in the eucalyptus at 5 P.M. (50°).
December 30th. (Sunrise 7:25, sunset 4:59).
Much thrasher song in the early morning, wandering from place
to place.
At 8 A.M. Rhody was still in his roost.(49°, calm, partly
cloudy). Julio had fed Neo before this at his regular place, but
Neo was no longer there at 8 A.M.
An Hour with the
Thrashers.
About 9 A.M. two thrashers were seen in a small, bare tree
50 or 60 yards away down on the slope to the north; one of them
singing a confused sort of warbling song. In a few minutes they
disappeared and full song was heard to the north east and a bird
was seen in the cork-oak between the Nichols and the Reiter houses:
the same tree where the "fight" of the other day originated. I
went over there and stood 30 feet from the tree; the song continued,
but there were no signs of the other bird. During a lull in the song
the thrasher in the tree turned his attention to me and I offered
worms; which it came and got. It was Neo, as suspected from the fins
first, the identification confirmed by the stub of the broken tail
feather. He went back to the tree and continued the song. In
about 10 minutes there was response far to the north east, but Neo,
whose back was turned in that direction gave no indication of having
heard it. The singer gradually approached and took up station in
the back garden of the house on Estates Drive: the territory already
indicated as being owned by a thrasher. This bird now began contin-
uous full-song and I now stood between two singing thrashers about
60 or 70 yards apart, listening intently to both songs and watching
both birds, as the newcomer was now in sight. With the usual allow-
ance for human fallibility: the songs were made up of entirely
different musical phrases, both musical and in "words". Both were
much varied and I was unable to recognize any of Brownie's stock
phrases in either. However, Neo approached one of them closely with
a tor-kit-a ( a as in hay) and used some flicker calls. The other
had several phrases that were familiar, but not from thrashers. One
of them a succession of short, clear whistled notes descending in
pitch and uttered rapidly .