Ford 2920 Gymnogyps californianus March 9, 1976 Hopper Canyon, Cal. rocks. Very clear today. Had seen no cardors in air up to time entered blind - seems extraordinary for this time of year here. Perhaps [illegible] said Reyton told me that this is the driest year he has ever known in Fillmore area. If cardor presence in Hopper Basin de- pends somewhat on water supply, the effect should be noticeable this year. No cardors or other birds visited the canyons by 3:30. We went back to the road, drove to the head of the troctor trail to Carda Creek, & diked down the trail to about 1/4 mile NW of - Big Cave. At 4:10 saw at least 6 cardors here (2 adults). By 4:30 saw at least 17 total, at least 5 of these being immatures, and possibly 17 (7 imm.). One was perched atop Baost Tree. Two were in potholes. One to 3 on Whitewash Ledge. There was a close group atop cliff over Whitewash Ledge - 8 or 9 cardors within about a 10 ft diameter. This group started with about 3 adults & 2 youngsters, & meaning birds joined it. One adult was seen to peck at a youngster [illegible]. The farthest away flying birds were seen over foot of East Canyon, circling