Published in The Wilson Journal of Ornithology, in 2007, in volume 119, issue 1, pages 146-147

Created: 2017-07-16, modified: 2017-07-16

Published in Journal of Raptor Research, in 1995, in volume 29, issue 2, pages 127-134

Created: 2017-04-07, modified: 2017-04-07

Published in The Wilson Bulletin, in 1993, in volume 105, issue 1, pages 180-183

Created: 2017-08-22, modified: 2017-08-22

Published in Journal of Raptor Research, in 2003, in volume 37, issue 1, pages 64-67

Created: 2017-04-07, modified: 2017-04-07

Published in Journal of Raptor Research, in 1996, in volume 30, issue 4, pages 242-245

Created: 2017-04-07, modified: 2017-04-07

Published in Journal of Raptor Research, in 1991, in volume 25, issue 3, pages 77-86

Created: 2017-04-07, modified: 2017-04-07

Published in Journal of Raptor Research, in 1999, in volume 33, issue 4, pages 341-342

Created: 2017-04-07, modified: 2017-04-07

Published in Journal of Raptor Research, in 1996, in volume 30, issue 3, pages 160-164

Created: 2017-04-07, modified: 2017-04-07

Published in Journal of Raptor Research, in 2002, in volume 36, issue 2, pages 115-120

Created: 2017-04-07, modified: 2017-04-07

Published in Journal of Raptor Research, in 2003, in volume 37, issue 1, pages 31-36

Created: 2017-04-07, modified: 2017-04-07

Published in Journal of Raptor Research, in 1997, in volume 31, issue 4, pages 317-320

Created: 2017-04-07, modified: 2017-04-07