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Status: Indexed

Collector: Grinnell-1925
Location: Mineral
Date: June 20
Page Number: 2484

for the species. Bird was on, sitting very closely; put
my hand within two feet of her, when she left for
the ground, and trotted off hesitantly on the ground
and over logs, but without uttering a note. Site
is in heavy shade of firs and lodgepole pines, about
100 feet from edge of willow bog. Contents of nest,
four helpless young, of almost exactly same size
as those in other nest examined this morning.

10:10 a.m. - Yellow Warbler's nest just found by
Mrs. G. in dense willow bed of creek bottom.
Rim of nest 1580 mm. above ground; nest insecurely
cobwebbed to several slender willow twigs which
happened pass each other there. Surely, a very
moderate breeze would have dislodged it. Female
bird tripping very close about solicitously; male singing
around in willow tops, both before and after our
taking of the nest. The four eggs apparently but
moderated incubated (about 1/2) and taken (set 1/4). Site of nest but
6 feet or so from creek which here runs in a deep channel beneath the interlacing willow tangle.

11 a.m. - We followed up a grouse "boonting"- traced
it to somewhere overhead in a tract of large lodge-
pole pine
s. "Boonts" given in series of 4 to 6 audible
notes - very low pitch, 2nd loudest, trailing off toward
inaudible; so there may have been one or more
"potential" throbs at the end that we couldn't
hear. Having passed beneath the trees, we were
retracing our steps, when with startling wing-

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