Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
R.E. Johnson
1967
Journal
14
May 29 Castle Peak area, Nevada Co., California (cont.)
rodent, ex. marmot?). These were surrounded
by orange lichen. The remainder or
the rock was covered by black lichen & occasional
patches of green lichen. The orange lichen only
occurs around the white deposits.
A pika was heard calling in the
rocks between the upper & lower set of cliffs_
on the south slope of Castle Peak at 3:50 pm.
In summary of the rosy Finch situation,
Very few were seen (5 sightings) on the two peaks
The only cliffs that appear occupied or occupiable
are those on the N face of Castle Peak.
No rosy finches were seen among the lower south
facing cliffs. Neither peak, nor the ridge between
them, provided any sizeable areas of moist
ground with small brooks of melt water and
tender fresh sprouts of vegetation (locations of
this type are common on Emigrant Peak &
rosy finches commonly feed at these sites).
[Insects were abundant in the snow however.]
& west
South slopes at high elevations are snow free &
dry. North & east slopes are solid snow.
Ridge tops receive little or no melt water, thus
no moist ground, etc. This may be the factor
most restricting the rosy Finch on these peaks.