Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Gymnogyps californianus
June 23,1946 Nr. McChesney Mth, Ca H.t.
this one hole (from what Dan has heard from Truesdale), 3 eggs were taken, 1 egg hatched, 41 was left.
The one was left- bird on nest - because cliffs
were snowy & icy & he couldn't get to the hole. On
May 15, 1946, El saw 2 adults fly from the region of
the Dawson nest cave - there were apparently disturbed
ed by his horse when 300 ± ' below & ¼ mile around
cliff from nest. One egg was taken by Truesdale
on May 23 (year?) said Dan & El - El said Truesdale
had watched the nest since March 14 that the
egg was fresh in May. Dan said that his brother-in-
law Carl Twisselman told him of several condors con-
sistently roosting at Garcia Rocks, roughly 2½
mile W. of Gould Well in Temblor Valley, a few years
ago. Sean, Dan, Ellen, & myself drove from Shandon
(Ced Wells) to La Panza Ranch, up the San Juan, then
up Beartrap Canyon. We hiked from 7:20 to 10:20 be-
fore reaching the Dawson nest hole. It was in the face
of a NW facing cliff about 100' below highest cliff
on NE side of McChesney Mtn.. The hole was or pict-
ured in Dawson. The cliffs were ledges of potholed
conglomerate, & the slope below was very steep
for 500'. From the nest area we could see their
down, Castle Mtn., Orchard Blk., & intervening country.
The next cliff face was nearly perpendicular-
we could climb to about 4' above it with-