Published in Rhodora, in 1927, in volume 29, issue 339, pages 33-36
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Published in The Auk, in 1905, in volume 22, pages 330-331
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Published in The Auk, in 1904, in volume 21, pages 403
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Published in The Auk, in 1902, in volume 19, pages 107
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Published in The Auk, in 1899, in volume 16, pages 296
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Published in The Auk, in 1911, in volume 28, pages 501
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Published in The Auk, in 1912, in volume 29, pages 261
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Published in The Auk, in 1907, in volume 24, pages 106-107
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Published in Madroño, in 2009, in volume 56, pages 127-129
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Published in Rhodora, in 1945, in volume 47, issue 555, pages 65-68
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Published in Nautilis, in 1936, in volume 50, pages 64-66
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Published in Raptor Research, in 1982, in volume 16, issue 4, pages 97-103
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Published in The Auk, in 1898, in volume 15, pages 115-122
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Published in Madroño, in 2004, in volume 51, issue 4, pages 384-386
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Published in The Auk, in 1899, in volume 16, pages 25-31
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Published in Raptor Research, in 1972, in volume 6, issue 1, pages 11-15
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Published in Journal of Conchology, in 1879, in volume 2, pages 288-289
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Published in The Auk, in 1904, in volume 21, pages 80
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Published in The Auk, in 1915, in volume 32, pages 267
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Published in Journal of Mammalogy, in 1922, in volume 3, pages 254-258
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Published in The Auk, in 1898, in volume 15, pages 155-161
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Published in The Auk, in 1901, in volume 18, pages 46-49
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Published in The Auk, in 1889, in volume 6, pages 61-63
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Published in The Auk, in 1898, in volume 15, pages 217-223
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Published in Quarterly Journal of The Florida Academy of Sciences, in 1949, in volume 12, pages 203-206
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Published in The Auk, in 1907, in volume 24, pages 99-100
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Published in The Auk, in 1884, in volume 1, pages 76-81
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Published in The Auk, in 1884, in volume 1, pages 202-203
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Published in The Auk, in 1902, in volume 19, pages 386-391
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Published in The Auk, in 1917, in volume 34, pages 507
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Published in The Auk, in 1884, in volume 1, pages 218-221
Created: 2013-03-08, modified: 2013-03-08
HUNTING RANGE AND STRATEGIES IN A TUNDRA BREEDING PEREGRINE AND GYRFALCON OBSERVED FROM A HELICOPTER
Published in Journal of Raptor Research, in 1991, in volume 25, issue 3, pages 49-62
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Published in Proceedings of The Biological Society of Washington, in 1909, in volume 22, pages 49-50
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Published in Proceedings of The Biological Society of Washington, in 1926, in volume 39, pages 105-107
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Published in The Auk, in 1894, in volume 11, pages 39-45
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Published in The Auk, in 1884, in volume 1, pages 165-166
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Published in Jour Washington Acad Sci, in 1931, in volume 21, pages 482-483
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Published in The Wilson Bulletin, in 1922, in volume 34, issue 1, pages 48
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Published in Pan-Pacific Entomologist, in 1960, in volume 36, pages 178
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Published in Proceedings of The Biological Society of Washington, in 1904, in volume 17, pages 147-150
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Published in Proceedings of The Biological Society of Washington, in 1907, in volume 20, pages 81-84
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Published in Proceedings of The Biological Society of Washington, in 1910, in volume 23, pages 103-104
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Published in Journal of The Washington Academy of Sciences, in 1931, in volume 21, pages 209-212
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Published in Raptor Research, in 1973, in volume 7, issue 3/4, pages 78-96
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Published in Entomological News, in 1987, in volume 98, pages 224-229
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Published in Proceedings of The Biological Society of Washington, in 1900, in volume 13, pages 25-31
Created: 2011-07-31, modified: 2011-07-31
Published in Proceedings of The Biological Society of Washington, in 1901, in volume 14, pages 129-130
Created: 2011-07-31, modified: 2011-07-31
Published in Proceedings of The Biological Society of Washington, in 1901, in volume 14, pages 131-132
Created: 2011-07-31, modified: 2011-07-31
Published in Proceedings of The Biological Society of Washington, in 1903, in volume 16, pages 121-122
Created: 2011-07-31, modified: 2011-07-31
Published in Proceedings of The Biological Society of Washington, in 1903, in volume 16, pages 151-159
Created: 2011-07-31, modified: 2011-07-31