I visited Piney Run Park later in the afternoon and birded areas Bob did 
not.  In addition to what Bob reported, I picked up a Common Goldeneye 
and Pied-billed Grebes near the Nature Center, but most of the 
waterfowl  were out of the wind in a sheltered, marshy inlet at the far 
north end of the lake, that is visible from White Rock Road (not sure if 
this is accessible via trail or some other route).  There I had:

Canada Goose     40
Tundra Swan     15
American Wigeon     30
American Black Duck     10
Mallard     15
Canvasback     5
Redhead     20
Ring-necked Duck     25
Lesser Scaup     3
Bufflehead     4
Hooded Merganser     10
Common Merganser     x
Ruddy Duck     x
Bald Eagle     1
American Coot     50
Ring-billed Gull     x
Carolina Wren     1
Song Sparrow     2
Red-winged Blackbird     1

This report was generated automatically by eBird v2(http://ebird.org)

Good birding!
Jim Moore
Rockville, Maryland
PLEASE REPORT YOUR BIRD SIGHTINGS to http://ebird.org/

On 3/5/2011 1:21 PM, Bob Ringler wrote:
>     This morning I visited the New Windsor wetlands. Though it was still
> foggy I could make out some ponds on the big pond:
>
> Canada Goose  16
> Tundra Swan  17, unusual on this little pond
> Wood Duck  2
> Baldpate  1
> Black Duck  1
> Mallard  25
> Pintail  13
> Great Blue Heron  1
> Killdeer  4 flying over, my first migrants of the spring
> Snipe  1, also a first for the spring&  my earliest ever
> Ring-billed Gull  24 adults, migrants dropping out of the fog to graze on
> the ball field
> White-crowned Sparrow  6, mostly immatures with one singing
> Meadowlark  2, perched in a tree at the edge of the ball field
>
> Later in the morning I visited Piney Run Park but only on the north shore so
> I could not see all the birds present on the lake. The fog had cleared but
> the wind had picked up significantly.
>
> Canada Goose  350, about 175 on the lake plus a single flock of 175
> highflyers heading NW
> Tundra Swan  36 flew over with a few of them dropping in
> Redhead  44, numbers down a little from last week
> Bufflehead  2
> Hooded Merganser  4
> Common Merganser  55
> Ruddy Duck  4
> Horned Grebe  1
> Ring-billed Gull  70
>

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