Zach,

Last summer I saw 2 full breeding plumage Black Terns on Poplar Island around this time in late June. They were in the Common Tern colony. Who knows, perhaps one year we'll have an extralimital breeding record. 

Dave

David Curson, PhD
Director of Bird Conservation,
Audubon MD-DC,
2437 Eastern Avenue,
Baltimore  MD  21224
Tel: (410) 558 2473
E-mail: