March 31, 1974, Denver-Arvada, Colorado. 5 p.m. Ovc, windy, cold. Black-billed Magpie House Finches and on hotel, downtown. April 13, 1974, Battery Kimble Park, Wash D. C. 2:15-2:50 p.m. Clear, 75° very humid. Y-s Flicker Tufted Titmouse Robins Cowbirds Red-bellied Wpkr Car. Chickadees mating Hermit Thrush Grackles Downy Wprk W.brst Nuthatch Starlings - White-thrtd Sparrows Yel-bel Sapsucker Catbird House Sparrow Juncos Common Crow Car.-Wrens Cardinals Song Sparrows April 15, 1974, C&O Canal, above Chain Bridge at Brookmont. 6:30-7a.m. Windy, warm,clear. H mallards - pr Common Crows Redwings Wood Duck - pr Car. Chickadees Grackles Yel-sh Flicker Robins Cardinals - many pairs Red-bellied Wpkr. Starlings C. Goldfinches White-throated Sparrowss. Apr. 15, 1974, George Town Reservoirs, Reservoir Rd. Wash D. C. 710-720 a.m. windy,warm. Ruddy Duck - 3 pr. Car.-Crows Starlings House Sparrows April 15, 1974, Battery Kimble Park, Wash D. C. 730-825 a.m. sctd, windy, warm. Bobwhite Car. Chikcadees Robins Cowbird Mourning Doves Tufted Titmouse Hermit Thrush Cardinals Flicker w-b Nuthatch Starlings S-c Juncos Downy Woodpecker Brown Thrasher Parula Warbler Whi-thrtd. Sparrows Blue Jay Car.-Wren - House Sparrow Song Sparrows Common Crow Mockingbird Grackle X***** OUTSIDE ESTADOS UNIDOS - See Europe Notes *****X May 11, 1974 Widewater, Anglers Inn, C&O Canal, to Lock 16. 6:30-930 a.m. Green Heron Starlings Mallard Ruby-crowned Kinglet Wood Duck - 2 pr & f w/ 6 ¼-l-1/5 grown young Solitary Vireo Bobwhite (Brickyard Road) Red-eyed Vireo Barred Owl - near Scout Camp area. Orange-crowned Warbler Mourning Dove - 2 pr. Parula Warbler Ruby-throated Hummer - on Paulonia Worm-eating Warbler Chimney Swift Yellow-throated Warbler Yellow-shafted Flicker Black-throated Blue Warbler Red-bellied Wprk. Tennessee Warbler Pileated Wpkr - 2. Cerulean Warbler Hairy and Down Wpkrs. Myrtle Warbler Sapsucker - 1 Chestnut-sided Warbler Crested Flycatcher Blackpoll Warbler Phoebe Ovenbird Acadian Flycatcher Louisiana Waterthrush Barn Swallow Redstarts Common Crow Chat (Brickyard Rd) Blue Jay House Sparrow Carolina Chickadee Redwings and Cowbirds Tufted Titmouse C. Grackles White-breasted Nuthatch Baltimore Oriole Carolina Wren - 2 Scarlet Tanager House Wren - 4 Cardinal Mockingbird Indigo Bunting Robins Rose-breasted Grosbeak Wood Thrush Common Goldfinch Veery Ruf-sided Towhee Eastern Bluebird (Brickyard Road) Chipping Sp. (Brickyard Rd) Blue-gray Gnatcatcher Field Sp. (Brickyard Rd)