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Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
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Transcription
those inner portions that showed little evidence of the presence of
tar. I examined the rejected piece, but could see only a slight
darkening at one point and there was little, if any, odor of tar
perceptible to me; although the rope was smelly of something else.
During the rest of the day Rhody gave most of his attention
to the nest; he was satisfied with only one mouse.
April 12th.
This was another day of "nest consciousness" on the part of
Rhody. I judge he sat in it as much as he would have done had he
been doing his share of incubation, and it may be that his instincts
tell him that he should be doing just that.
During the forenoon he was especially bright and animated
when out of the nest and seemed to want some particular kind of
material for nest lining. In search of it, whatever it was, he ran
from place to place examining many kinds of things rejecting, after
picking them up and sometimes carrying them some distance toward the
nest: Felted azalea roots, rope fibre, cotton batting, even his
favored composite weed, pine needles and miscellaneous trash. At
last he pulled something out from the base of a baccharis bush that
he took to the nest. It proved to be dried stalks of that mesembry-
anthemum that nurserymen and florists sell under the name of
During the forenoon he wanted no mice, but seemed to seek my
presence and was eager for worms. He was also inclined to cut up
didoes and once, when he had just entered the cage after carrying a
piece of cotton about 75 yards on a dead run, he came out, ran di-
rectly toward me at high speed, spread his wings when ten feet from
me and sailed exactly over my head almost touching my hat, and landed
20 feet behind me. It developed that he wanted to go to the nest
in a hurry and I was directly in his path. He has never done this
act before.
At 12:30 he was ready for his mouse, but wanted no more do
thereafter, although he accompanied me to the tool-house and in-
spected my offerings only to turn away disinterestedly. At 5:30
he was again in his nest l-38, but, as usual, did not sleep there.
(But see below).
The thrashers progressively extend their periods of absence
from the nest, although they may sit not far away doing little. It
looks as if they were purposely "weaning" the youngsters. While
they seldom come to me for worms when invited, they are showing that
there is a limit to the amount of food they will give the chicks,
and Neo is now eating some of the worms given him. Curiously,
although he and N2 are getting worms primarily for the purpose of
feeding the young, Neo still insists upon getting all the worms if
he can.
April 13th.
Rhody is moulting. Not only are his feathers being found
at places about the garden where there were none previously, but
they are seen dropping off of him.
The news about Rhody today is that, at last, he has been seen
occupying his nest l-38 in his new house at night. As it is diffi-
cult to be absolutely certain of his presence there when he is sit-
ting very low in the nest, a check was made by observing that he
was absent from his regular place on the west lot.