Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Gymnogyps californianus
June 13/1946 Hopper Canyon, Calif.
least 4 adults). 12:25, one adult tugged a few times
at carcass, then stood quietly. 12:27, one alighted
30-50' uphill from carcass. The bird landed
by dropping nearly straight down, wings locking - a hop or step or two sometime taken
just after striking ground (not a decelerating
run). 12:30, at least 7 near bait - 3 turkey vultures
landed near it. One min. (3'yr.), crouched
on heels, grabbed with bill & took 19 quite
regularly-spaced tugs (about 4-5/sec. per
tug) before letting go & raising head. 12:33, 10
apparently on ground near carcass now. One
adult leap frogged a cactus or 2, & another
bounced away with a high jump
12:37- at least 12 within 15' of bait, about 8 adults,
& not over 2-3 tugging occasionally, the other
standing about, occasionally nipping each other.
12:41, at least 16 within 10' of bait, me or more feeding
nearly continually. One tugged upper hind
leg again - several even tugs, then 5 or 6 rapid
jerks. 12:45, 8mi Near Road Trees & at least 14
around bait (22 ort). 12:50-15 at bait still;
one stood on body & tugged upward with
several jerks, & another tugged at upper hind
leg. Carcass practically obscured by 13 crows,
the other 2 being 30' downhill (they scrambled