April 11, 1950, E. Side, Yolo By-pass, along Putah Sinks, 1220-1430 PST. White Pelicans - 18 Farallon Cormorants - 2 Blue Heron - 3 American Egret Snowy Egret Black-crowned Night Heron Mallards - 12 Cinnamon Teal - 28 Shoveller - 8 pair Vulture White-tailed Kite Marsh Hawk Sparrow Hawk Pheasants Coots - 3750-4000 Kildeer Least Sandpiper 50 Dowitchers - 150 Western Sandpiper - 200 Avocets - 18 Black-necked Stilts - 7 California Gulls - 25 Belted Kingfisher - 1 Red-shafted Flicker - Nuttall Woodpecker Violet-green Swallows Tree Swallows - 40 Interior Calif. Jay Western Crows Suisun Long-billed Marsh Wren Audubon Warbler Pacific Yellowthroats Western Meadowlarks Yellow-headed Blackbirds - Flocks of 10, 20, 15 and 50 seen - all males, feeding on grassy slopes of by-pass levee. Calif. Bicolor Redwings Bullock Oriole - 1 male in Fremont cottonwood - 1st of year. Brewer Blackbirds Purple Finches House Finches Common Goldfinches Green-backed Goldfinches Gambel White-crowned S parrows Golden-crowned Sparrows. April 11, 1950, Southside Park, Sacramento, Calif. 1540-1600 PST. Mallard - 3 pair, 8M, 4F and 4 with young - 6, 8, 5, and 3. Ring-necked Duck - 6M and 4F Rufous Hummingbirds Coots - 18 Robins Brewer Blackbird