I checked two locations at Triadelphia Reservoir this morning. First at Brighton Dam where there was not much to see:

Canada Goose  30 flying low over the dam and headed downstream
Red-tailed Hawk  1 adult
Ring-billed Gull  1 adult

   At Pigtail:

Canada Goose  20
Mallard  11
Ring-necked Duck  11
Pied-billed Grebe  1
Black Vulture  5
Turkey Vulture  1
Bald Eagle  1 immature landed on the flat island
Red-tailed Hawk  1
Ring-billed Gull  6
Song Sparrow  80, I counted 72 in sight at one time sitting on the tops of the weeds in the exposed lake bed.
Swamp Sparrow  3
Junco  2
--
Bob Ringler
Eldersburg MD