Published in Journal für Ornithologie, in 1868, in volume 16, pages 71

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Published in Journal für Ornithologie, in 1853, in volume 1, pages 80

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Published in Journal für Ornithologie, in 1879, in volume 27, pages 84-89

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Published in Journal für Ornithologie, in 1864, in volume 12, pages 466

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Published in Journal für Ornithologie, in 1868, in volume 16, pages 287-288

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Published in Journal für Ornithologie, in 1869, in volume 17, pages 359

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Published in Journal für Ornithologie, in 1871, in volume 19, pages 78

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Published in Journal für Ornithologie, in 1872, in volume 20, pages 399

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Published in Journal für Ornithologie, in 1885, in volume 33, pages 23-26

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Published in Journal für Ornithologie, in 1868, in volume 16, pages 286-287

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Published in Journal für Ornithologie, in 1868, in volume 16, pages 407-415

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Published in Journal für Ornithologie, in 1869, in volume 17, pages 67-68

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Published in Journal für Ornithologie, in 1869, in volume 17, pages 66-67

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Published in Journal für Ornithologie, in 1870, in volume 18, pages 76-79

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Published in Journal für Ornithologie, in 1875, in volume 23, pages 340

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Published in Journal für Ornithologie, in 1877, in volume 25, pages 100

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Published in Journal für Ornithologie, in 1869, in volume 17, pages 136-137

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Published in Journal für Ornithologie, in 1888, in volume 36, pages 119

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Published in Journal für Ornithologie, in 1878, in volume 26, pages 100

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Published in Journal für Ornithologie, in 1868, in volume 16, pages 213-215

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Published in Journal für Ornithologie, in 1878, in volume 26, pages 194-199

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Published in Journal für Ornithologie, in 1873, in volume 21, pages 54-70

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Published in Journal für Ornithologie, in 1891, in volume 39, pages 303-311

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Published in Journal für Ornithologie, in 1876, in volume 24, pages 393-400

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Published in Journal für Ornithologie, in 1880, in volume 28, pages 340-354

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Published in Proceedings of The Biological Society of Washington, in 1932, in volume 45, pages 119-120

Created: 2011-07-31, modified: 2011-07-31

Published in Journal für Ornithologie, in 1868, in volume 16, pages 141-143

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Published in Journal für Ornithologie, in 1868, in volume 16, pages 211-213

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Published in Journal für Ornithologie, in 1868, in volume 16, pages 140-141

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Published in Journal für Ornithologie, in 1871, in volume 19, pages 77-78

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Published in The Auk, in 1919, in volume 36, pages 576-577

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Published in Journal für Ornithologie, in 1906, in volume 54, pages 329-358

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Published in Journal für Ornithologie, in 1878, in volume 26, pages 213-246

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Published in Journal für Ornithologie, in 1871, in volume 19, pages 399

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Published in Journal für Ornithologie, in 1872, in volume 20, pages 318-319

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Published in The Auk, in 1919, in volume 36, pages 536-540

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Published in Journal für Ornithologie, in 1867, in volume 15, pages 360

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Published in The Auk, in 1899, in volume 16, pages 79-80

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Published in Journal für Ornithologie, in 1873, in volume 21, issue 3, pages 315-320

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Published in Journal für Ornithologie, in 1887, in volume 35, pages 92-94

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Published in Journal für Ornithologie, in 1887, in volume 35, pages 96-99

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Published in Journal für Ornithologie, in 1876, in volume 24, pages 98-102

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Published in Journal für Ornithologie, in 1881, in volume 29, pages 332-336

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Published in Journal für Ornithologie, in 1879, in volume 27, pages 210-211

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Published in Journal für Ornithologie, in 1889, in volume 37, pages 73

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Published in Journal für Ornithologie, in 1889, in volume 37, pages 76-82

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Published in Journal für Ornithologie, in 1889, in volume 37, pages 84-85

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Published in Journal für Ornithologie, in 1870, in volume 18, pages 398-399

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Published in Journal für Ornithologie, in 1870, in volume 18, pages 237-238

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Published in Journal für Ornithologie, in 1870, in volume 18, pages 235-237

Created: 2014-09-04, modified: 2014-09-04