Birds found in Carroll County on Sunday, May 23, 1999: Waterbirds at Liberty Lake: Double-crested Cormorant - 1 Canada Goose - 18 including downy young Mallard - 4 Black-bellied Plover - 2 in breeding plumage Semipalmated Plover - 45 Killdeer - 5 Greater Yellowlegs - 2 Solitary Sandpiper - 2 Spotted Sandpiper - 4 Semipalmated Sandpiper - 4 Least Sandpiper - 12 Waterbirds at Piney Run Park: Great Blue Heron - 2 Green Heron - 2 Canada Goose - 48 including downy young Graylag Goose - 2 Wood Duck - 1 Mallard - 8 Semipalmated Plover - 11 Killdeer - 3 Least Sandpiper - 8 White-rumped Sandpiper - 3 Only migrant landbird found was 1 Swainson's Thrush Bob Ringler