October 16, 1952, Southside Park, Sacramento, California. 8 a.m.PST. Pied-billed Grebe - 2 seen Snow Goose - 1 cripple Mallard - Could separate all birds by sex this time: M - 16; F - 15 Pintail - 1 male. Plumage just turning for last time it was almost all F plumage. Back graying at base of neck and black and white under rump turning. Green-winged Teal - 1 with full-colored speculum, but still in F plumge - think is male Ring-necked Duck - M - 18; F - 8 Coot - 25 California Jays Audubon Warblers Cedar Waxwings Brewer Blackbirds October 20, 1952, Sutter Refuge, Sutter Co. Calif. 1010-1025PST. Blue Heron Common Egret - 150 Canada Geese Mallards Pintails Vultures White-tailed Kite - 1 along borrow. Sparrow Hawk Pheasants Coots Red-shafted Flicker Black Phoebe Meadowlark Bicolor Redwings Tricolor Redwings Brewer Blackbird Green-backed Goldfinch White-crown Sparrows - 100's. Oct. 20, 1952, Colusa Refuge, Colusa Co. Calif. 11 a.m. Blue Heron - 1 Vulture Marsh Hawk Sparrow Hawk Red-shafted Flicker Marsh Wren Calif. Shrike W. Meadowlark Tricolored Redwings October 20, 1952,Sacramento Refuge, Glenn Co. Calif. 1130-1330PST. White Pelicans Blue Heron Common Egret Snowy Egret Canada Goose White-fronted Goose Snow Goose Mallards Gadwall Baldpate Pintail Green-winged Teal Shoveller Vulture White-tailed Kite Sparrow Hawk Pheasants Gallinule Coots Killdeer Yellowlegs Avocets Red-shafted Flicker Black Phoebe Tree Swallows - dozens Calif. Shrike Yellow-throats Meadowlark Bicolor Redwings Tricolor Redwings Brewer Blackbirds Birds affected by botulism: Mallards Pintail Coots Redwings Brewer Blackbirds.