Remsen, J.V. 1975 Journal Sep.12 (cont) Vesper Sparrow Brewer's Sparrow Clay-colored Sparrow McGown's Longspur 4 2 1 75 Chestnut-collared Longspur ?Smith's Longspur Black-headed Grosbeal Western Tanager 75 3 1 1 Univ. of Colo., Boulder, Boulder Co., Colo Areg: Boulder Creek at CU campus Observers: Thompson Marsh John and Joyce Cooper Time: 0715 - 0845 Temp: 45 Sky: low overcast Wind: 0 Species: Rock Dove Mourning Dove Com. Flicler W. Wood Pewee Steller's Jay Black-capped Chickadee Am. Robin Orange-crowned Warbler Wilson's Warbler 20 2 1 1 2 2 2 1 4 MacGillivray's Warbler Hooded Warbler House Finch Green-tailed Towhee 2 18 1 1 Sep. 13 Horse Creek Reservoir, Adams + Weld Cos., Colorado Areg: Walk around southern 2/3 of Horse Creek Res, plus surrounding roads Time: 0625 - 1530 - 1630-1900 Observers: Steve Larson, Barry Knapp Temp: 45-60 Wind: 0-5 W Sky: p.c. Comments: birds in general very scarce Species: Eared Grebe Western Grebe White Pelican Double-cr Cormorant Great Blue Heron Canada Goose Mallard N. Pintail Green-winged Teal N. Shoveler Am. Widgeon Ruddy Duck Hooded Merganser Swainson's Hawk Ferruginous Hawk N. Marsh Harrier Am. Kestrel Com. Pheasant Am. Coot Semipalmated Plover Killdeer Lesser Yellowlegs Pectoral Sandpiper Baird's Sandpiper Western Sandpiper 6 116 40 7 5 38 1000 1000 106 200 200 50 18 2 2 4 15 1 200 6 308 3 1 43 3 California Gull Ring-billed Gull Franklin's Gull Rock Dove Mourning Dove Great Horned Owl (Burrowing Owl - 1-BH) Common Nighthawk (CBelle Kingfisher 1-SL) Com. Flicker Lewis' Woodpecker Downy Woodpecker Cassin's Kingbird Say's Phoebe W. Wood Pewee Horned Lark Barn Swallow Black-billed Magpie Black-capped Chickadee N. House Wren Brown Thrasher Am. Robin Ruby-crowned Kinglet Water Pipit Loggerhead Shrike 2 40 900 4 160 4 2 1 1 2 9 1 1 88 16 42 20 8 1 1 5 2 3