The Moorhen remains on Centennial Lake as described by Bill Hill at the first island east of the wildlife area barrier; also a sweep of the swallows at the dam. Highlights: 

Bufflehead  1 female 

DC Cormorant  1 im 

Great Egret  1 

Moorhen  1 adult 

Solitary Sandpiper  1, on the dam 

Ring-billed Gull  1 im, soaring 

Purple Martin  6 

Tree Swallow  6 

Rough-winged Swallow  4 

Bank Swallow  1 

Cliff Swallow  1 

Barn Swallow  25 

Chestnut-sided Warbler  1 

Bob Ringler 
Eldersburg MD