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Published in Western Australian Naturalist, in 2008, in volume 26, issue 3, pages 175-182

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Published in Bulletin of The British Ornithologists' Club, in 2010, in volume 130, issue 1, pages 69-70

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Published in Raptor Research, in 1980, in volume 14, issue 2, pages 40

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Published in Biol Bull, in 1941, in volume 81, pages 432-440

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Published in Bulletin of The African Bird Club, in 2013, in volume 20, issue 2, pages 236-237

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Published in Occasional Papers Museum of Texas Tech University, in 2010, in volume 296, pages 1-16

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Published in Bothalia, in 1922, in volume 1, pages 83-86

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Published in Bothalia, in 1922, in volume 1, pages 87-96

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Published in Madroño, in 1957, in volume 14, issue 1, pages 30-36

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Published in Bulletin of The African Bird Club, in 2002, in volume 9, issue 1, pages 43-44

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Published in The Pan-Pacific Entomologist, in 1973, in volume 49, issue 2, pages 144-148

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Published in Biol Bull, in 1965, in volume 128, pages 259-270

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Published in Northern Territory Naturalist, in 1990, in volume 12, pages 26-27

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Published in The Wilson Bulletin, in 2002, in volume 114, issue 2, pages 249-254

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Published in Bulletin of The African Bird Club, in 2009, in volume 16, issue 1, pages 67-77

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Published in The Auk, in 1916, in volume 33, pages 434

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Published in The Auk, in 1913, in volume 30, pages 578-579

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Published in Rhodora, in 1899, in volume 1, issue 10, pages 193

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Published in Bothalia, in 1922, in volume 1, pages 97-104

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Published in Forktail, in 2012, in volume 28, pages 161-162

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Published in Veliger, in 1980, in volume 23, pages 70-74

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Published in Occasional Papers Museum of Texas Tech University, in 2017, in volume 345, pages 1-28

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Published in Journal of The Bombay Natural History Society, in 1992, in volume 89, issue 2, pages 256

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Published in The Auk, in 1911, in volume 28, pages 179-188

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Published in The Auk, in 1914, in volume 31, pages 257-258

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Published in The Auk, in 1916, in volume 33, pages 77

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Published in Bothalia, in 1922, in volume 1, pages 105-109

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