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Collector: Grinnell - 1925
Location: Lassen Section (Mineral)
Date: June 14, 1925
Page Number: 2464
zone is supposedly Upper Sonoran! I have heard no
owls here yet, and seen only one hawk, the Sharp-
shinned. A Sierra Grouse, in dense growth
of lodgepole pines of large size, "hoots" at intervals
thruout the day, at least from 10 to 3 (not early
or late); rather, he "boonts" - a low muffled
"thump, thump, thump, thump"; at a distance one
hears only about four of these notes. Dixon
located the grouse, an old (long-tailed) female, but it
flew when he was yet 70 yards off.
I have spent a lot of time watching Ruby-crowned
Kinglets, which are common enuf to be within hearing
of almost wherever a person may be. This afternoon
late, I heard the monotonous "dinge", yerrup,
yerrup, yerrup, etc., minutes together, which means
concern. I finally located the two Kinglets
giving it, far above in the tops of
some lodgepole pines and firs; but the foliage was
too dense for me to see the cause. This
was where I had previously seen the Sharpshin,
and also whence I had hear a chickadee "chicken";
either, or something else, may have made threatening
advances. A Kinglet I watched a little
later foraged about at the end of branches close
to the summit of a fir fully 150 feet tall,
every now and then singing without
stopping it its fluttering, zigzag course. Presently
the bird flew to an equally tall dead fir
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