April 21, 1966, Denver, Arapahoe Co. - Ft. Collins, Larimer Co. Colorado. 3:30-4:30 p.m. MST. Mallard - prs. Franklin Gulls W. Meadowlarks Pintails Calif. Gulls Common Grackles Shovellers Mourning Doves (added 4/24 - 7-8 a.m. MDST) Sparrow Hawk Red-shafted Flicker Canada Goose - pairs Pheasants - 1 Horned Lark Loggerhead Shrike Killdeer Black-billed Magpie Redwings Avocets Starlings Blue Jays - 5 in Ft. Collins - 6:30 a.m. 4/23. 13-stripe Groundsquirrel April 23, 1966, NW of Ft. Collins. Mallards Bladpates Gadwalls Kingfisher April 23, 1966, Poudre River Canyon, above LaPorte, Larimer Co. Colorado. 1:30-2 p.m. MST Mallard Turkey Vultures Western Crows Baldpate Kingfishers W. Meadowlarks Gadwall Red-shafted Flickers White-crowned Sparrows. Poudre R. - Stove Prairie to Kelly Flat. Kingfishers Red-shafted Flickers Stellar Jay Gray-headed Juncos with all light bills. SW of Kelly Flat to Pingree Park Camp (9,000' el). 2:30-4:30 p.m. MST. with Harold Steinhoff, Howard Horton, Fred Wagner and Archie Mossmann. Mallards Red-breasted Nuthatches Ruby-crowned Kinglet Red-tailed Hawk Pigmy Nuthatches Gray-headed Juncos - light upper mand Williamson Sapsucker Robins - 12's Hairy Woodpecker Townsend Solitaire - 2 Richardson Gr. Sq. Chipmunks Stellar Jays Mountain Bluebird pairs Mule Deer Pika. Mountain Chickadees Bohemian Waxwings - 12 at PP May 7, 1966, Pine Hill, Mont. Co. Md. 7:45-8:30 a.m. 600F, clear, light W breeze. Turkey Vulture Carolina Chickadees House Sparrow Mourning Dove Tufted Titmouse Baltimore Oriole - 1M Rock Dove White-breasted Nuthatch Common Grackle Chimney Swift House Wren - 8 Brn.hd. Cowbird Yellow-shafted Flicker Carolina Wren - 2 Cardinal - 4 pr. Red-bellied Woodpecker Mockingbird - 12's Purple Finch Pileated Woodpecker Catbird - 4 pr. Common Goldfinches Downy Woodpecker Brown Thrasher - 2 Rufous-sided Towhee E. Wood Pewee Robins Chipping Sparrow Purple Martins Wood Thrush - 3 pr. Song Sparrow Blue Jays Ruby-crowned Kinglet - 2 Common Crows Myrtle Warbler - 2 May 7, 1966, Great Falls C&O Canal, 4-5 p.m. Warm, calm. Red-bellied Woodpecker White-breasted Nuthatch Kentucky Warbler Downy Woodpecker Carolina Wren Common Redstart Crested Flycatches Catbird C. Redwings Acadian Flycatcher Mockingbird Baltimore Oriole Eastern Kingbird Robin C. Grackles Barn Swallow Starling Brown-hd. Cowbird Blue Jay Red-eyed Vireo Cardinals Common Crow White-eyed Vireo C. Goldfinches - 12's Carolina Chickadee Parula Warbler Pine Siskins - 12's Tufted Titmouse Cerulean Warbler Chipping Sparrows-nesting material rootlets.