Ken Kostka
American Swallow Conservancy
http://www.purple-martin.org
Pittsburgh, PA
02/18/05
32 of the 56 martins breeding Purple Martins (28 pairs) at Saxon Golf Course in 2004 were color-banded (57%). 20 of these martins were banded as nestlings at this site, but the other 12 were banded at other colonies. This map shows where 11 of these 12 martins were banded as nestlings. 
American Swallow Conservancy 