Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
R.E.Johnson
1969
Journal
Jan.30 Boulder, Jefferson, & Clear Creek Counties, Colorado
and the other 50% were australis.
The next ranch was another 0.7 miles southwest
or a total of 1.3 miles sw of Jefferson along the
highway + then 0.7 miles east on a dirt road.
(1.3 mi. s. + 10.1 miles w. of Jefferson)
This ranch is also owned by the South Park Cattle Co.
We also returned to this ranch later in the day +
collected additional birds. The flocks appeared to
be 80% tephrocotis, 15% littoralis, + 5% australis.
One atrata was seen + collected. Only a few birds
were seen at a time, but 26 birds were collected
in all and many remained. Birds collected:
tephrocotis 11, littoralis 6, atrata 1, australis 4,
+ 4 campestris type intermediates. At 4:20pm
there were a few birds feeding on the ground near
the barn + many others roosting in cliff swallow
nests located inside the barn along the ceiling center
rafters.
We drove back out the dirt road + looked
at a barn near where it joins the highway (1 mi. s. &
0.8 mi. west of Jefferson). Five birds were
Feeding on a bare patch of ground outside an open
side door of the barn. These were collected (2 tephrocotis, 2 littoralis,
+ one campestris type). Inside the barn every rafter
along the crest of the roof [illegible] was occupied by 2
rosy finches, one in each corner {2 birds.
Some rafters held cliff swallow nests + in that case the