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Transcription
Marshall,1938
7.
Otus flammeolus
Whitakers - contin.
bird.Is this near a center of the population
or are they as common but unnoticed in other
areas(i.e.Grinnell in Yosemite - none heard
or seen in that entire area)? Extention into
transition zone.Frabably only requirement is
stand of conifers over dry hillsides (indication
of gt. basin origin?). Where are females?Silent
or brooding?Times when males change tone may
indicate presence of females. If they are
brooding,why aren't the males at the nest feed-
ing the m?
Whitakers Forest
June 4 Clear,calm;¼ moon. Public camp above
place where #377 shot.lst at stream; evasive
as usualat first.More interested later & follow-
ed me along road,stopping at various high,con-
cealed perches to give series of single hoots.
Stopped in grove young Sequoias at roddnear
three sister Big Trees. Seen as flew across
interior of clump/,.Distinctive variation of
triple call: 4 syll. - bootle-opp,boop; etc.
walked 125 yd. away,still heard in spite of we
water and low intervening ridge.Probably can
be geard 300 yd in clear.Thought heard another
down hill.lst followed me down - seen in branch
Ponderosa Pine in lower, more open clump.Flew
from perch, flitting like insect with rapid
wingbeats --I-e-deesn8t-j- i.e. doesn't jump
then fly, but proceeds entirely by wings.Indi-
cates relatively greater strength of wings
associated with pursuit of flying insects?
June 7 None in place visited June third &
revisited this evening.Cold, stormy night;
high wind, couldn't hear.Heard at eressing-of-
crossing of Wortman's road & main highway,
½ mi.below camp.Crose described t± call as
pigeon-like %-eerre.Persistant hooting at 6
sec. intervals.Calling in spite of storm.
Ventriloquial.Often changed pitch(lower) after
moving; and when in one place would change
pitch or quality making sound seem to came from