Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
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Transcription
1664
the first excitement subsided, although my activities at one time
certainly were not such as to inspire confidence in any of the par-
ticipants, whatever side they may have favored.
At 12 P.M. Rhody was still in his nest; there were no thrash-
er sounds; none were in sight and, in response to call, Neo came out
of the bushes to get worms for his offspring, from me.
I left about 1:30, returning at about 6 P.M., to find Rhody
in his nest and all three young thrashers within 20 feet of theirs
bright and cheerful. Neo came quickly to get worms for them.
Dog catches one of 10:20 P.M. Another episode! About 9:15 P.M. a boy and a
girl from across the street came bringing me one of the young thrash-
ers that had been caught and mauled by the dog Wally. The bird was
gasping as if about to die. It has been placed in a cage warmed by
thermostatically controlled light bulbs. I wonder if it is the same
one that Rhody caught. The children witnessed the capture and rescued
the bird from the dog's mouth. Even at that hour (about 9:10) the
parents were fluttering about wildly "making a great racket". Thus
their vigilance appears unceasing.
Of all the thrashers hatched at this place these are the only
two known to have been captured by enemies (if we except Argentine
ants). Strange that these two instances should have occurred on the
same day.
April 21st.
The young thrasher survived the night and was found to have
a compound fracture of the left tarsus close to the metatarsus and
its lower mandible had been bent slightly downward. Otherwise it
seemed to have suffered no injury.
Dr. Reynolds applied splints to the leg and an endeavor was
made to adjust the foot in its proper position, but it is doubtful
if it can be so maintained; so if the bird survives, it probably will
have a crippled foot.
This youngster will not open its mouth for food and has to be
hand fed. An experiment was made to see if Neo would take over the
task and it was found that he would. I placed the cage on the ground
by the sage patch and called Neo. When he came I gave him worms.
He took these to the cage (4 feet from me); the youngster opened its
bill, but would not advance to the wire, expecting its parent to do
the rest as usual. This seemed to puzzle Neo, who ran about talking
softly, carrying the worms. He fed the other chicks two or three
times and returned frequently to the cage, at last succeeding in
administering a full mouthful of worms. A few minutes later this
was repeated. N2 then came, gathered worms, appeared to ignore the
imprisoned chick and fed the others.
The cage was then removed to the house, for two reasons:
One because it was not safe to leave it unattended and the other
because the youngster got very excited when his parents were near
and would not remain quiet.
Throughout the day hand-feeding continued.
Rhody continued to do his share of "incubation" and could be
found in the nest at almost any time. In fact the only time I missed
him there he came promptly from somewhere or other, was given a mouse
and carried it to the nest.
I am satisfied that he is attempting to carry out his ordain-
ed part of the breeding cycle.
He is in the nest so much now that it is impossible to de-
termine his "going to bed time" because it is not certain whether he
goes to the nest to sleep or to incubate phantom eggs.