Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Gymnogyps californianus
June 12, 1946
Hopper Canyon, Glif.
another about 20' downhill, stopped, then another
20'; then galloped back to the carcass. The
chased bird walked uphill to the carcass again.
It was attacked by another vulture, then walked
10±' downhill (suddenly?). 10:35, the adult feeds
much more "luminous-like" than the juveniles.
Latter are slow, sallying, & never look about for
danger. Nearly always the juveniles stood opp-
osite to adult at carcass Ad. 10:38, adult
ceased feeding & stood. 10:39, adult took off
& glided into S. Canyon it appeared. Perched
adult as before. 10:40, 2 min. at carcass & 1 about
15' uphill (probably always the same one - appar-
ently he never gets a bite). 10:47, 2 turkey vult-
ures perched within 10' of the carcass - no reaction.
10:48, 1 carder feeding, 2 walking about in the grass
disinterestedly. The feeder stood atop the carcass,
then on ground at aval area. The vultures walk
away from the carders when the latter move - appar-
ently the vultures have not eaten a bite either. 11:01,
I saw an adult slight stop cliff on S. side of Big
Cove, & another in a path hole below Whiteworth ledge,
& saw another circling there. 11:05, 2 min. at car-
cass; the other walked about 20' uphill, then
after 15±sec. walked slowly down - two vultures walk-
ed out of its way. To 11:10, 2 feeding zealotarily at