Gymnogyps californianus February 1, 1946 Porterville, Calif. success. They used a pit blind & put a horse & other carcasses out trying to get feeding pictures. Welch said MacLean thought there must be a "rookerie" east of Monolith. Welch said he saw some "nesting" in Horse Canyon (near Monolith?) at a later date. They got one picture of a vulture taking a squirrel away from a raven, Welch said. The squirrels had been poisoned with thallium. A rancher told Welch he had seen some "big buzzards", much larger than turkey buzzards, feeding on 5 or 6 sheep which had been killed from eating thallium (in grain?). About 1932, at Tejon Ranch, Welch said the ravens were causing trouble with young stock, so strychnine poisoned bait was put out for them - vultures & buzzards ate this without ill effect. In the Monolith-Cummings Valley area, the vultures would often appear about 10 a.m. & leave just before sundown, Welch said. Welch also said he had seen vultures near Buttonwillow, & that an old Mexican there had told him they used to lasso the birds & use the feathers to make pens out of. About 1933 in Walker Basin, Welch said, he found a dead