Published in The Wilson Bulletin, in 2002, in volume 114, issue 4, pages 474-478
Created: 2016-12-11, modified: 2016-12-11
Published in Raptor Research, in 1978, in volume 12, issue 1-2, pages 1-14
Created: 2017-04-08, modified: 2017-04-08
Published in The Wilson Bulletin, in 1941, in volume 53, issue 2, pages 130-131
Created: 2016-12-11, modified: 2016-12-11
Published in The Wilson Bulletin, in 1947, in volume 59, issue 1, pages 56-58
Created: 2016-12-19, modified: 2016-12-19
Published in The Wilson Bulletin, in 1947, in volume 59, issue 4, pages 224-225
Created: 2016-12-19, modified: 2016-12-19
Published in The Wilson Bulletin, in 1946, in volume 58, issue 4, pages 226-227
Created: 2016-12-04, modified: 2016-12-04
Published in The Wilson Bulletin, in 1985, in volume 97, issue 3, pages 332-346
Created: 2016-12-04, modified: 2016-12-04
Published in The Wilson Bulletin, in 1938, in volume 50, issue 3, pages 175-184
Created: 2016-12-19, modified: 2016-12-19
Published in Raptor Research, in 1981, in volume 15, issue 3, pages 86-88
Created: 2017-04-08, modified: 2017-04-08
Published in The Wilson Bulletin, in 1943, in volume 55, issue 3, pages 212-214
Created: 2016-12-04, modified: 2016-12-04
Published in The Wilson Bulletin, in 1941, in volume 53, issue 1, pages 31-32
Created: 2016-12-11, modified: 2016-12-11
Published in The Wilson Bulletin, in 1941, in volume 53, issue 1, pages 50-53
Created: 2016-12-11, modified: 2016-12-11
Published in The Wilson Bulletin, in 1941, in volume 53, issue 3, pages 201-202
Created: 2016-12-11, modified: 2016-12-11
Published in The Wilson Bulletin, in 1947, in volume 59, issue 2, pages 127-128
Created: 2016-12-19, modified: 2016-12-19
Published in The Wilson Bulletin, in 1942, in volume 54, issue 1, pages 32-42
Created: 2016-12-04, modified: 2016-12-04
Published in The Wilson Bulletin, in 1943, in volume 55, issue 2, pages 134-135
Created: 2016-12-04, modified: 2016-12-04
Published in The Wilson Bulletin, in 1942, in volume 54, issue 3, pages 217-218
Created: 2016-12-04, modified: 2016-12-04
Published in The Wilson Bulletin, in 1946, in volume 58, issue 2, pages 126-127
Created: 2016-12-04, modified: 2016-12-04
Published in The Wilson Bulletin, in 1941, in volume 53, issue 4, pages 244-245
Created: 2016-12-11, modified: 2016-12-11
Published in Journal of Raptor Research, in 1990, in volume 24, issue 1-2, pages 34
Created: 2017-04-07, modified: 2017-04-07
Published in Raptor Research, in 1975, in volume 9, issue 1/2, pages 27-32
Created: 2017-04-08, modified: 2017-04-08
Published in The Wilson Bulletin, in 1942, in volume 54, issue 1, pages 57-60
Created: 2016-12-04, modified: 2016-12-04
Published in The Wilson Bulletin, in 1942, in volume 54, issue 4, pages 260-262
Created: 2016-12-04, modified: 2016-12-04
Published in The Wilson Bulletin, in 1943, in volume 55, issue 1, pages 64-66
Created: 2016-12-04, modified: 2016-12-04
Published in Journal of Raptor Research, in 1992, in volume 26, issue 3, pages 206-210
Created: 2017-04-07, modified: 2017-04-07
Published in Journal of Raptor Research, in 1992, in volume 26, issue 3, pages 195-210
Created: 2017-04-07, modified: 2017-04-07
Published in The Wilson Bulletin, in 1942, in volume 54, issue 2, pages 145-147
Created: 2016-12-04, modified: 2016-12-04
Published in The Wilson Bulletin, in 1946, in volume 58, issue 4, pages 221
Created: 2016-12-04, modified: 2016-12-04
Published in The Wilson Bulletin, in 1941, in volume 53, issue 3, pages 185-195
Created: 2016-12-11, modified: 2016-12-11