Conowingo Dam: 12/29/97

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Here is the Conowingo Dam report for Monday, December 29, 1997. (This 
was part of the Rock Run Christmas Bird Count.) 

Time: 0700-1600
Weather: cloudy, AM low 25, PM high 40 
Power Generation: Full, all day
Observers: Gene Scarpulla, Ralph Cullison, and Lou Nielsen 

Pied-billed Grebe             8
DOUBLE-CRESTED COMORANT       4 (immature)
Great Blue Heron              100
Black-crowned Night-Heron     1
Canada Goose                  25
American Black Duck           58
Mallard                       6
Common Goldeneye              2 (female)
Common Merganser              908 (flocks in flight all day)
Red-breasted Merganser        4
Black Vulture                 1
Turkey Vulture                1
Bald Eagle                    15 (9 adult, 6 immature)
Red-tailed Hawk               1
PEREGRINE FALCON              1 (immature, chasing Rock Doves all day)
Ring-billed Gull              20,000 (highest numbers sunrise & sunset)
Herring Gull                  200
THAYER'S GULL                 1 (adult winter)
Lesser Black-backed Gull      1 (adult winter)
Great Black-backed Gull       200
Rock Dove                     326
Red-bellied Woodpecker        3
Downy Woodpecker              3
American Crow                 4
crow sp.                      3
Carolina Chickadee            5
Tufted Titmouse               2
Brown Creeper                 2
Carolina Wren                 3
Eastern Bluebird              6
European Starling             3
Northern Cardinal             7
Song Sparrow                  2
White-throated Sparrow        35
Dark-eyed Junco               25
blackbird sp.                 5000
American Goldfinch            4

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