Gymnogyps californicus March 11, 1946 Hopper Canyon, Chft. outspread, for 3+ minutes. Raven remained on the carcass, clicking the bill, wiping sides of bill on horse leg, + pecking at juicy penis region. 1:28, buzzard suddenly flew off + raven flew to buzzard's perch atop bluff. 1:30, I saw a coyote standing about 100 yds. E. of the carcass. 1:33, I saw one buzzard about 20 ft. E. of carcass apparently pecking at something on the rocks. 1:35, coyote gone. 1:45, buzzard gone - had not touched carcass. 1:58, 2 buzzards atop cliff 100+ ' SW of carcass, another soared 15+ ' over carcass, + 2 ravens were within 10+ ' fs of carcass. 2:02, one buzz - ard running back 20+ ' W. of horse. 2:04- the two ravens flew off. Sky 5/10 cumulus, cloud bottoms at about 3000' level; light breeze. Inter-mittent sunshine on carcass. 2:08, buzzard closest to carcass flew off+, followed 30+ sec. later by the other perched buzzard. No apparent disturbance. 2:55, one raven at carcass; 2:59- gone. 3 p.m., two turkey vultures were perched atop bluff 100+ ' SW of carcass. 3:40, two ravens also perched near the vultures. At 3:45 the vultures left + the ravens soon after. Left blind at 7:10. Sky clear, air cool. Saw no raptors. Camped at head of canyon.