Gymnogyps californianus April 7, 1946 Hopper Canyon Calif. packed at head of displayer. About 1:33 both one took off & 5+ sec later the other. Over The first alighted in Saddle Bs., the second in a green P2. 300+ yds further E atop Arundell Ridge. The former was off again within 30+ seconds landed. I saw at least 2 others perched in saddle bs.- clouds dark & solid just below rim level - occasional sprinkling, fair SW breeze. The threatening rain may have driven the condors to rest. I was watching from center of Spring Canyon Meadow. 1:45, 7 perched atop Arundell Ridge - 2 each in two green Ps about 1/4 mile W of #11 nest (possibly turkey vultures). Returned to old Cabin. Rim continued engulfed in cloud layers - fog & drizzle. I returned to camp at head of Hopper Canyon. April 8, 1946 Hopper Canyon Calif. I was about to leave camp at 8:15 when I saw 3 condors circling in the vicinity of the old horse carcass (about 200' above). About 8:17 I saw 4 birds perched on a rock ledge 100+ yds S. of carcass - there may have been turkey vultures - and about 5 con- (I thought I counted 13 condors, about 5 perched, but changed my mind when I got a better view later.) dove over North Ridge. Thinking that the condors were about to feed on the horse carcass, I drove to a point on the road about 1/2 mile E of the horse carcass. From there at 8:35 I saw two turkey vultures & 2+ ravens on the carcass. Two