Published in Journal of Raptor Research, in 1991, in volume 25, issue 2, pages 36-39
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/51316417,60,60)
Published in Raptor Research, in 1982, in volume 16, issue 3, pages 89-90
Created: 2017-04-08, modified: 2017-04-08![](https://www.biodiversitylibrary.org/pagethumb/51320273,60,60)
Published in Journal of Raptor Research, in 1987, in volume 21, issue 2, pages 67
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/51320371,60,60)
Published in Journal of Raptor Research, in 1988, in volume 22, issue 2, pages 71
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/51282959,60,60)
Published in Journal of Raptor Research, in 1994, in volume 28, issue 1, pages 67
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/51314790,60,60)
Published in Journal of Raptor Research, in 1995, in volume 29, issue 4, pages 283-284
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/52191101,60,60)
Published in The Wilson Bulletin, in 1936, in volume 48, issue 1, pages 33-37
Created: 2016-12-04, modified: 2016-12-04![](https://www.biodiversitylibrary.org/pagethumb/51326107,60,60)
Published in Journal of Raptor Research, in 2002, in volume 36, issue 3, pages 200-202
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/51316104,60,60)
Published in Raptor Research, in 1981, in volume 15, issue 3, pages 89-93
Created: 2017-04-08, modified: 2017-04-08![](https://www.biodiversitylibrary.org/pagethumb/51279446,60,60)
Published in Journal of Raptor Research, in 1988, in volume 22, issue 4, pages 117-118
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/51334355,60,60)
Published in Journal of Raptor Research, in 2003, in volume 37, issue 2, pages 98-116
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/43035762,60,60)
Published in Scopus, in 1978, in volume 2, pages 49-50
Created: 2014-03-20, modified: 2014-03-20![](https://www.biodiversitylibrary.org/pagethumb/43037405,60,60)
Published in Scopus, in 1981, in volume 5, pages 57
Created: 2014-03-20, modified: 2014-03-20![](https://www.biodiversitylibrary.org/pagethumb/51315014,60,60)
Published in Journal of Raptor Research, in 1995, in volume 29, issue 3, pages 207-210
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/56187326,60,60)
Published in Pan-Pacific Entomologist, in 1991, in volume 67, issue 3, pages 189-194
Created: 2018-07-03, modified: 2018-07-03![](https://www.biodiversitylibrary.org/pagethumb/42640433,60,60)
Published in Scopus, in 1977, in volume 1, pages 83
Created: 2014-03-20, modified: 2014-03-20![](https://www.biodiversitylibrary.org/pagethumb/51922372,60,60)
Published in Raptor Research, in 1984, in volume 18, issue 4, pages 151-153
Created: 2017-04-08, modified: 2017-04-08![](https://www.biodiversitylibrary.org/pagethumb/51322289,60,60)
Published in Journal of Raptor Research, in 1996, in volume 30, issue 3, pages 145-156
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/35516073,60,60)
Published in Proceedings of The Biological Society of Washington, in 2001, in volume 114, pages 34-41
Created: 2011-07-27, modified: 2011-07-27![](https://www.biodiversitylibrary.org/pagethumb/51315985,60,60)
Published in Journal of Raptor Research, in 1992, in volume 26, issue 1, pages 42-43
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/51320276,60,60)
Published in Journal of Raptor Research, in 1987, in volume 21, issue 2, pages 70-72
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/51320436,60,60)
Published in Journal of Raptor Research, in 1989, in volume 23, issue 4, pages 181-182
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/51258730,60,60)
Published in Raptor Research, in 1981, in volume 15, issue 1, pages 12-18
Created: 2017-04-08, modified: 2017-04-08![](https://www.biodiversitylibrary.org/pagethumb/51318795,60,60)
Published in Journal of Raptor Research, in 1996, in volume 30, issue 1, pages 44
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/51263485,60,60)
Published in Raptor Research, in 1980, in volume 14, issue 2, pages 35-39
Created: 2017-04-08, modified: 2017-04-08![](https://www.biodiversitylibrary.org/pagethumb/51320046,60,60)
Published in Raptor Research, in 1985, in volume 19, issue 4, pages 125-127
Created: 2017-04-08, modified: 2017-04-08![](https://www.biodiversitylibrary.org/pagethumb/48743990,60,60)
Published in Journal of The Bombay Natural History Society, in 1983, in volume 80, issue 2, pages 380-384
Created: 2015-10-25, modified: 2015-10-25![](https://www.biodiversitylibrary.org/pagethumb/51328914,60,60)
Published in Journal of Raptor Research, in 2003, in volume 37, issue 1, pages 71-75
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/51313125,60,60)
Published in Journal of Raptor Research, in 1987, in volume 21, issue 1, pages 33-35
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/52335879,60,60)
Published in The Wilson Bulletin, in 1965, in volume 77, issue 4, pages 327-339
Created: 2017-01-02, modified: 2017-01-02![](https://www.biodiversitylibrary.org/pagethumb/51326253,60,60)
Published in Journal of Raptor Research, in 2004, in volume 38, issue 2, pages 107-117
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/7943639,60,60)
Published in Brigham Young University Science Bulletin - Biological Series, in 1973, in volume 18, pages 1-74
Created: 2012-11-10, modified: 2012-11-10![](https://www.biodiversitylibrary.org/pagethumb/59048123,60,60)
Published in Western Australian Naturalist, in 1995, in volume 20, issue 3, pages 165-167
Created: 2021-03-26, modified: 2021-03-26![](https://www.biodiversitylibrary.org/pagethumb/16314977,60,60)
Published in The Auk, in 1909, in volume 26, pages 191-192
Created: 2013-03-08, modified: 2013-03-08![](https://www.biodiversitylibrary.org/pagethumb/41807796,60,60)
Published in Scopus, in 1989, in volume 13, pages 116-117
Created: 2014-03-20, modified: 2014-03-20![](https://www.biodiversitylibrary.org/pagethumb/51320431,60,60)
Published in Journal of Raptor Research, in 1989, in volume 23, issue 4, pages 176-178
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/51316419,60,60)
Published in Raptor Research, in 1982, in volume 16, issue 3, pages 91-92
Created: 2017-04-08, modified: 2017-04-08![](https://www.biodiversitylibrary.org/pagethumb/51922332,60,60)
Published in Raptor Research, in 1984, in volume 18, issue 3, pages 115
Created: 2017-04-08, modified: 2017-04-08![](https://www.biodiversitylibrary.org/pagethumb/51263849,60,60)
Published in Raptor Research, in 1979, in volume 13, issue 1, pages 16
Created: 2017-04-08, modified: 2017-04-08![](https://www.biodiversitylibrary.org/pagethumb/51265084,60,60)
Published in Raptor Research, in 1979, in volume 13, issue 3, pages 88-90
Created: 2017-04-08, modified: 2017-04-08![](https://www.biodiversitylibrary.org/pagethumb/60533194,60,60)
Published in Bulletin of The African Bird Club, in 2016, in volume 23, issue 1, pages 89-90
Created: 2021-02-23, modified: 2021-02-23![](https://www.biodiversitylibrary.org/pagethumb/58981124,60,60)
Published in Western Australian Naturalist, in 1977, in volume 14, issue 1, pages 25
Created: 2021-03-30, modified: 2021-03-30![](https://www.biodiversitylibrary.org/pagethumb/51282944,60,60)
Published in Journal of Raptor Research, in 1994, in volume 28, issue 1, pages 52
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/51318784,60,60)
Published in Journal of Raptor Research, in 1996, in volume 30, issue 1, pages 33-35
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/51326146,60,60)
Published in Journal of Raptor Research, in 2002, in volume 36, issue 3, pages 239-240
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/51922285,60,60)
Published in Raptor Research, in 1984, in volume 18, issue 2, pages 72-74
Created: 2017-04-08, modified: 2017-04-08![](https://www.biodiversitylibrary.org/pagethumb/48297034,60,60)
Published in Journal of The Bombay Natural History Society, in 1978, in volume 75, issue 3, pages 845-853
Created: 2015-08-31, modified: 2015-08-31![](https://www.biodiversitylibrary.org/pagethumb/11964144,60,60)
Published in Postilla, in 1963, in volume 77, pages 1-4
Created: 2013-03-01, modified: 2013-03-01![](https://www.biodiversitylibrary.org/pagethumb/51286606,60,60)
Published in Journal of Raptor Research, in 1998, in volume 32, issue 3, pages 251-254
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/51288987,60,60)
Published in Journal of Raptor Research, in 1999, in volume 33, issue 2, pages 164-167
Created: 2017-04-07, modified: 2017-04-07