Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
March 20th.
No early singing; no calls during the day, other than the
soft approach call like the pewh of the Western Bluebird.
The third egg did not hatch during the day. Greenie chased away
a California Jay that was too near the nest. Brownie saw the chase
but took no part. None of the three birds made any cry whatever.
The thrashers now are taking more than one worm at a time from
me for the nestlings. It is strange that Greenie should still
approach me rather timidly in contrast to her mate.
March 21st.
No early calls or song. The thrashers are now more active in
search of food, yet they do not seem to go far, as I am usually able
to get them quickly.
Greenie is coming to me oftener for worms than formerly. She
and Brownie make regular trips to me alternately for worms whenever
I encourage them. They are now taking three or four at a time.
Brownie has developed a new technique when I hand him one worm at a
time as he sits on my knee. If he intends to take them to the nest,
he throws them down to the ground or in my lap with a quick flick
of the bill almost too fast to see, and not apparently looking to
see where they go. Between throws he waits patiently for me to hand
him another, usually, but sometimes advances boldly upon the worm
box. When he has all he thinks necessary for the time being, he goes
down an prepares them for feeding, then starts for the nest making
the approach call.
I have recently noticed that Brownie in running along the ground
often runs askew, though keeping a straight course, much as a dog
when trotting carries his rear end off to one side of his line of trav
el in order, I suppose, to avoid stepping on his own front heels with
his hind feet (interfering). Is this a relic of the time when birds
were still in the quadrupedal stage or the result of an injury?