BIG DAY results of birds seen in PLACER County, California  -- April 24, 1998.  172 Species. 
Observers:  Steve Abbott, Todd Easterla, Kent Van Vuren, Bruce E. Webb.
24 hours.  Weather:  Rain and fog in the morning, sunny mid-day, snow and rain in the evening.

Destinations in chronological order:  Midnight -- east of Lincoln in rice field habitats, and marshes, for rails, bitterns, owls.  Drive to Auburn and Foresthill and along Mosquito Ridge Road.  Owling until dawn.  High elevation (4,500' elevation) birds.  Return down slope to Foresthill Bridge chaparral birds.  Drive to Folsom Lake SRA for oak woodland and open water birds.  Drive to Lincoln Sewage Treatment Plant for diving ducks.  Continue in agricultural and marshland areas west of Lincoln and Sheridan. Stop at Auburn Water Treatment Plant and vicinity.  Then, cross Sierras on I-80 to sagebrush birds at Martis Creek Reservoir.  Drive to N. Lake Tahoe vantage points for mergansers, loons, etc.  Return to I-80 via Highway 89.  Snowing over Donner Summit.  Again to Foresthill Bridge and finally, Folsom Lake.  Last bird of the trip, Common Poorwill, at 11:30 P.M.

Notable mammal:  A mountain lion crossing Mosquito Ridge Road in the headlights of the vehicle at about 2:45 A.M. negated the need for No-Doz afterward.
 
 
PLACER CO. Big Day List  approx. # 1998 Big Day Locations
Common Loon 20 Folsom Lake (2) and Lake Tahoe (18)
Pied-billed Grebe 10 multiple locations east of Lincoln 
Horned Grebe 8 Rioso Road and Lincoln Water Treatment Plant
Eared Grebe 10 Folsom Lake and Lake Tahoe
Western Grebe 30 Folsom Lake and Lake Tahoe
Double-crested Cormorant  3 flyovers east of Lincoln 
American Bittern 15 multiple locations east of Lincoln 
Great Blue Heron 10 multiple locations east of Lincoln 
Great Egret 10 multiple locations east of Lincoln 
Snowy Egret 1 Nicolas Road east of Lincoln 
Green Heron 2 east of Lincoln and along Hwy. 65
"Black" Brant 12 at Tahoe City, Lake Tahoe (First County Record)
Canada Goose 50 Martis Creek Res. and Folsom Lake SRA
Wood Duck 20 Auburn Water Treatment Plants
Green-winged Teal 10 Dalbey Road east of Lincoln 
Mallard 50 multiple locations east of Lincoln and Martis Creek Res.
Northern Pintail 4 Dalbey Road east of Lincoln / Martis Creek Res.
Cinnamon Teal 6 Dalbey Road east of Lincoln / Martis Creek Res.
Northern Shoveler 10 Lincoln Water Treatment Plants
Gadwall 5 Dalbey Road east of Lincoln / Martis Creek Res.
American Wigeon  2 Dalbey Road east of Lincoln 
Ring-necked Duck 5 Martis Creek Res. and Dalbey Road east of Lincoln
Common Goldeneye 1 Lake Tahoe
Bufflehead 8 Lincoln and Auburn Water Treatment Plants
Hooded Merganser 10 Lake Tahoe and Martis Creek Res.
Common Merganser 5 Folsom Lake / Martis Creek Res. and Lake Tahoe
Red-breasted Merganser  15 Lake Tahoe
Ruddy Duck 20 Lincoln and Auburn Water Treatment Plants
Turkey Vulture 20 multiple locations foothills east of Auburn, Folsom Lake
Osprey 2 Martis, Folsom Lake
Northern Harrier 5 East of Lincoln
Cooper's Hawk 3 foothills east of Auburn, Folsom Lake 
Red-shouldered Hawk 2 Hwy. 80 Rocklin. east of Lincoln
Swainson's Hawk 2 N of Lincoln on Hwy. 65
Red-tailed Hawk 20+ multiple locations
Golden Eagle 1 Rioso Road
American Kestrel 10 multiple locations
(Ring-necked Pheasant) 6 multiple locations
Blue Grouse 4 4-5 at dusk above Highway 89
California Quail 2 Lincoln STP
Mountain Quail 10 Mosquito Ridge Rd.
Virginia Rail 2 Rioso Road
Sora 1 Dalbey and Rioso Road
Common Moorhen 5 Rioso Road
American Coot 140 multiple locations
Semipalmated Plover 15 Rioso Road and Martis Creek Res.
Killdeer 25 multiple locations
Black-necked Stilt 30 multiple locations
American Avocet 1 Rioso Road
Greater Yellowlegs 3 multiple locations
Whimbrel 3 Rioso Road
Marbled Godwit * 1 Rioso Road (one previous Spring record)
Sanderling 1 Martis Creek Res. (First County Record)
Western Sandpiper 6 Rioso Road, Martis Creek Res.
Least Sandpiper 30 multiple locations
Dunlin 1 Rioso Road
Long-billed Dowitcher 30 Rioso Road
Common Snipe 2 Martis Creek Res.
California Gull 30 Folsom Lake and Lake Tahoe
Caspian Tern 1 Folsom Lake 
Forster's Tern 1 Martis Creek Res.
(Rock Dove) 30 multiple locations
Band-tailed Pigeon 10 chaparral east of Foresthill Bridge
Mourning Dove 25 multiple locations
Barn Owl 10 Agricultural lands E of Lincoln
Western Screech-Owl 5 Mosquito Ridge Rd.
Great Horned Owl 4 Agricultural lands E of Lincoln
Northern Pygmy-Owl 3 Mosquito Ridge Rd.
Burrowing Owl 1 E of Sheridan
Northern Saw-whet Owl 1 Mosquito Ridge Rd.
Common Poorwill 1 Folsom Lake State Rec. Area at Rattlesnake Road
White-throated Swift 15 Foresthill Bridge
Black-chinned Hummingbird 4 Folsom Lake State Rec. Area
Anna's Hummingbird 10 Folsom Lake State Rec. Area
Rufous Hummingbird 2 Folsom Lake State Rec. Area/ agricultural lands E of Lincoln
Belted Kingfisher 2 agricultural lands E of Lincoln
Acorn Woodpecker 10 Folsom Lake State Rec. Area
Red-breasted Sapsucker 2 Mosquito Ridge Rd.
Nuttall's Woodpecker 2 Folsom Lake State Rec. Area
Downy Woodpecker 1 Mosquito Ridge Rd.
Hairy Woodpecker 3 Mosquito Ridge Rd. and nr. Mt Watkins
White-headed Woodpecker 2 Mosquito Ridge Rd.
Northern Flicker 5 Mosquito Ridge Rd.
Olive-sided Flycatcher 1 Mosquito Ridge Rd.
Gray Flycatcher 1 chaparral east of Foresthill Bridge
Pacific-slope Flycatcher 2 Mosquito Ridge Rd.
Black Phoebe 3 agricultural lands E of Lincoln
Ash-throated Flycatcher 10 Folsom Lake State Rec. Area
Western Kingbird 10 agricultural lands E of Lincoln
Loggerhead Shrike 1 Dalbey Road
Cassin's Vireo 10 Mosquito Ridge Rd.
Hutton's Vireo 3 Mosquito Ridge Rd.
Warbling Vireo 2 Mosquito Ridge Rd.
Steller's Jay 30 Mosquito Ridge Rd.
Western Scrub Jay 30 Mosquito Ridge Rd.
Yellow-billed Magpie 15 agricultural lands E of Lincoln
American Crow 20 Folsom Lake State Rec. Area / agricultural lands E of Lincoln
Common Raven 1 Martis Creek Reservoir
Horned Lark 2 Martis Creek Reservoir
Tree Swallow 20 Folsom Lake State Rec. Area
Violet-green Swallow 2 Martis Creek Reservoir
North. Rough-winged Swallow 10 Martis Creek Reservoir
Cliff Swallow 400+ Martis Creek Reservoir / chaparral east of Foresthill Bridge
Barn Swallow 8 Mosquito Ridge Rd. and other locations
Mountain Chickadee 3 Mosquito Ridge Rd.
Chestnut-backed Chickadee 4 Mosquito Ridge Rd.
Oak Titmouse 10+ Folsom Lake State Rec. Area
Bushtit 4 Folsom Lake State Rec. Area
Red-breasted Nuthatch 3 Mosquito Ridge Rd.
White-breasted Nuthatch 2 Ophir Road
Pygmy Nuthatch 4 Lake Tahoe
Brown Creeper 2 Mosquito Ridge Rd.
Canyon Wren 3 Mosquito Ridge Rd.
Bewick's Wren 4 Folsom Lake State Rec. Area chaparral east of Foresthill Bridge
House Wren 5 Folsom Lake State Rec. Area
Winter Wren 1 Mosquito Ridge Rd. at MM 14
Marsh Wren 10 agricultural lands E of Lincoln
Golden-crowned Kinglet 6 Mosquito Ridge Rd.
Ruby-crowned Kinglet 2 Mosquito Ridge Rd.
Blue-gray Gnatcatcher 4 chaparral east of Foresthill Bridge / Mosquito Ridge Rd.
Western Bluebird 5 Folsom Lake State Rec. Area
Mountain Bluebird 10 Martis Creek Reservoir
Hermit Thrush 5 chaparral east of Foresthill Bridge
American Robin 40 Mosquito Ridge Rd. / multiple locations
Wrentit 20 chaparral east of Foresthill Bridge / multiple locations
Northern Mockingbird 3 Folsom Lake State Rec. Area
California Thrasher 2 chaparral east of Foresthill Bridge
Cedar Waxwing 20 Folsom Lake State Rec. Area
Phainopepla 2 Folsom Lake State Rec. Area
(European Starling) 20 multiple locations
Orange-crowned Warbler 30 Mosquito Ridge Rd./chaparral east of Foresthill Bridge
Nashville Warbler 20 Mosquito Ridge Rd.
Yellow-rumped Warbler 30 Mosquito Ridge Rd.
Black-throated Gray Warbler 10 Mosquito Ridge Rd.
Townsend's Warbler 2 Mosquito Ridge Rd.
Hermit Warbler 10 Mosquito Ridge Rd.
MacGillivray's Warbler 2 chaparral east of Foresthill Bridge
Common Yellowthroat 1 heard agricultural lands E of Lincoln
Wilson's Warbler  15 Mosquito Ridge Rd.
Western Tanager 1 Folsom Lake State Rec. Area
Black-headed Grosbeak 6 Mosquito Ridge Rd. / Folsom Lake State Rec. Area
Lazuli Bunting 2 Folsom Lake State Rec. Area
Spotted Towhee 20 Folsom Lake State Rec. Area /chaparral east of Foresthill Bridge 
California Towhee 5 Folsom Lake State Rec. Area
Rufous-crowned Sparrow 4 Folsom Lake State Rec. Area
Chipping Sparrow  5 Folsom Lake State Rec. Area
Brewer's Sparrow 1 Martis Creek Reservoir
Vesper Sparrow 2 Martis Creek Reservoir
Lark Sparrow 10 Folsom Lake State Rec. Area
Sage (Bell's) Sparrow 2 foothills east of Auburn
Savannah Sparrow 4 Mosquito Ridge Rd and grasslands east of Lincoln 
Fox Sparrow 3 chaparral east of Foresthill Bridge / Mosquito Ridge Rd.
Song Sparrow 2 Douglas Blvd. at Barton Road
Golden-crowned Sparrow 5 chaparral east of Foresthill Bridge
White-crowned Sparrow 10 Martis Creek Reservoir
Dark-eyed Junco 10 Mosquito Ridge Rd.
Red-winged Blackbird 100+ agricultural lands E of Lincoln
Tricolored Blackbird 10 agricultural lands E of Lincoln
Western Meadowlark 20 agricultural lands E of Lincoln
Yellow-headed Blackbird 15 Dalbey Rd
Brewer's Blackbird 20 Foresthill and Martis Creek Reservoir
Brown-headed Cowbird 10 Folsom Lake State Rec. Area
Hooded Oriole 2 Delmar Road off Sierra College Blvd.
Bullock's Oriole 10 multiple locations 
Purple Finch 2 Mosquito Ridge Rd.
Cassin's Finch 2 nr Mt. Watkins
House Finch 10 Folsom Lake State Rec. Area
Red Crossbill 10 Martis Creek Reservoir
Pine Siskin 2 nr Mt. Watkins
Lesser Goldfinch 15 Folsom Lake State Rec. Area
American Goldfinch 4 Folsom Lake State Rec. Area
(House Sparrow)  5 Foresthill Rd at Hwy. 80
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172 Species 
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possible Least Bittern  1  (heard only) at night Rioso Road marsh (one prior PLA record.)
probable Herring Gull 1 distant look at large pale gull Folsom Lake State Rec. Area
Notable misses (e.g. birds seen 1-2 days prior):  Clark's Grebe, American White Pelican, Black-crowned Night-Heron, Sharp-shinned Hawk, Wild Turkey, Willet, Ring-billed Gull.
 

Prepared by Bruce Webb

BruWebb@rcsis.com
Granite Bay, CA
(on the west shore of Folsom Lake, Placer Co.)