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Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
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Transcription
146
R.E.Johnson
1969
Journal
Jan.30 Boulder, Jefferson, & Clear Creek Counties, Colorado (cont.)
south via Colo. Hwy. 93 to Morrison & then SW on
US 285 over the mountains to south park, a
large open park extending southward for 50 miles
or more. A light layer of snow covered the
ground. Only the highway & cow trampled parts of
pastures were bare of snow. Mtns rise on
either side. We stopped at several ranches &
obtained permission to examine their barnyard
areas for rosy finches. Everyone was quite friendly
& agreed to let us look & even shoot birds.
(1) The 1st ranch was located 1.2 miles nc of
Jefferson (ie. 1 mi. n. & 0.7 miles east of Jefferson)
on the west side of the highway, at 9500 ft.
about 60
Many birds were feeding in one corral area both on
the ground & in the feeding troughs. The flock
was made up as follows: tephrocotis 70%, littoralis
20%, atrata 0%, australis 10%. I collected
21 birds: 14 tephrocotis, 3 littoralis, 2 intermediates
(campestris - type) & 2 australis.
The next ranch was located 0.6 miles SW of Jefferson
along US 285 on the west side of the road (0.4 mi. S. &
0.4 mi. W. of Jefferson). This was the G South Park
Cattle Co. They preferred us not to shoot near the
buildings & nearly all the birds were close by so we
only collected one bird, a tephrocotis littoralis.
There were at least 40 birds present, a few in each
small hay pile. About 50% were littoralis & tephrocotis,
(2)