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Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
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Transcription
Journal
105.
J. Groth
1986
Tennessee Pass, clev. 10,400 ft., Eagle Co.,
Colorado
4 June rain became more of a downpour, with some
hail. I left the birds out, with
the net set up -- and it rained nearly
constantly for one hour as I sat in
the truck writing field notes.
No other crossbills were encountered today.
Eventually, all of the crossbills captured
today were recorded, killed, and saved
for specimens.
I drove into Leadville (in the pouring rain),
a'te dinner at a Pizza Hut, and called home
to Albany, Calif.
5 June After a clear night, I set up the net
in a slightly different part of the
Tennessee Pass area. Around 6:30 am, a
lone ♀ was attracted to the decoys,
bird 395 (type 5 ♂) called first, loudest, and
most vigorously -- she was also type 5.
I got tape recordings of her flight calls
and also alarm calls (in response to
grey jays around the camp. This ♀
made a flight away, as if to take
off. I lured her back with the
playback tape of type 5 calls/toops, and
she came back and sat in the top of
the tree the net was around. She