Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
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the kissing sound) and also the ting -tong of the bell song.
lasted for
This^20 minutes, more or less. Included also were phrases of her
own song previously noted--in fact by far the larger portion --and
a new one:
Walk up ting-ting
At 11:35 I went directly to the dormitory tree. Brownie was dozing
contentedly on her very elementary "nest" at B. When I spoke to her
she responded with a few soft gurgles and twitters. As I stood there
quietly, she seemed suddenly to realize that she had been caught loaf-
ing on the job and began to shake the twigs within reach of her bill,
but soon stopped as I moved off, so as not to interfere with whatever
it is she has in mind--if anything.
I am wondering, since I discovered this retreat , if this is
not where the thrashers have been some of the times when I could not
also
find them and^when they have so suddenly faded from the picture.
Ventri loquism. 12:30. At 12:15 I went to the glade, hearing undersong coming
from that direction. Both birds were up in the old oak. A passing
truck with missing motor silenced them. In a few minutes I heard
what seemed to be three-quarter song coming from the dormitory tree,
and had left the glade on my way to investigate when I realized that
it was in the old oak beside me. I stopped and soon saw Brownie on
a horizontal limb, not 15 feet from where I had been sitting, eating
a yellow-jacket. When she had swallowed it the song was resumed.
I had been completely deceived, notwithstanding that I am perfectly
familiar with the ventriloqual ( or quill?) characteristics of the
undersong and had already been fooled once before this morning.
I went back to the glade; Brownie dropped down beside me (It
is surprising how softly they can come down considering their small
wing area), one bird ate from one hand the other from the other hand.
Brownie sat on my knee ( where I would hold a book) and repeated
the phrase quoted below: