Gymnogyps californianus March 13, 1946 Hopper Canyon Clift. eye & anus & pulled hair from the side and left about 9:45. Clo Fog had risen to about 3000 ft. level but left Hopper Basin uncovered. 52° F. in blind. I recall Dave Percy told me he had put out meat balls containing a strychnine capsule on his ranch last fall (?) and that he knew of at least one coyote killed by them. Here was a chance for crows to get secondary stry- chrine poisoning. 10:00 a.m. - Navpermtns cloud covered but most of canyon still cloud free. Left leeze. I saw 2 turkey vultures soar by about ¼ mile W. of carcass. 10:40 saw me turkey vulture pass about ¼ mile E. of carcass flap - gliding - much flapping as if air poor for soaring. Sky 5/10 cumulo-stratus with base at about 5000 ft. and fair visibility below. At 11:15 three ravens came & pecked at the dried blood on rocks - left 11:25. At 11:40 so three ravens again came & one pecked 3½ minutes at the eye - gone at 11:50. Breeze light still. 1:10, a raven alighted on carcass & pecked at eye & penis area. A turkey vulture swooped low overhead at 1:15 (raven squawked), turned back when about ½ mile to SE of carcass, & alighted atop cliff 50± yds. S. of carcass. Buzzard sunned its back, wings