California condor survey field notes, v1476
Page 391
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
California Condor Eben McMillan 10 September 1963 The day broke clear and warm with little or no wind. Buzzards were observed flying to the area, where the cow carcasses lay, at sunrise. Some buzzards fed and flew to perches on south side of canyon before 8:00 A.M. At 9:05 A.M. Two Condor were seen to circle and land in tall pines on ridge one-half mile west of water tank and a bit to the southwest of Fairsworth home. At 9:15 A.M. Condors showed up circling behind hill where bent pine stands. At one time six Condor were sitting in bent pine. Other Condor came and alighted in pine trees on hillside above dead cows. one Condor floated out over canyon, then let down by dipping inside wing, while circling, and alighted in dead oak near carcasses. Up to six Condor fed on the cow carcasses this morning. A black-headed Young was seen to come and beg of the first adult that dropped in to feed and then flew into a dead Oak near the carcasses, when this black-headed bird approached the adult that had just fed the adult dropped to the ground in the area of the carcass to be soon followed by the black-headed young bird. When both of these birds reappeared they showed openings in the feathers of the breast as evidence that they had bosh fed, or been fed. It is of interest to note that of the six Condor that fed on the carcasses this morning all were in pairs that were made up of one adult and one immature bird. The first pair to come from feeding on the carcasses flew and lit in a death pine half-way up the hill to the south. This was the first adult that fed and the black-headed juvenile. Some minutes after these birds had left the carcasses, another adult Condor that had dropped in to feed came up out of the Oaks Pumping and flew down canyon alighting in a dead pine across the canyon from where we sat