Howell, T.R. 1947 Nortonville, Contra Costa Co., Calif. April 12 - The following birds were observed on this clear, warm day: Turkey Vulture, red-tailed hawk, California quail, Black-white- throated swift, rufous, Anna, Allen, and calliope hummingbirds, western kingbird, black phoebe, Say phoebe, violet-green swallow, scrub jay, plain titmousse, Bewick wren, Canyon wren, Robin, Western bluebird, blue-gray gnatcatcher, Brewer blackbird, western meadowlark, linnet, pine siskin, brown towhee, spotted towhee, savannah sparrow, lark sparrow, Oregon junco, golden-crowned sparrow, song sparrow.