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
Created: 2014-09-04, modified: 2014-09-04![](https://www.biodiversitylibrary.org/pagethumb/32707607,60,60)
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
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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
Created: 2014-09-04, modified: 2014-09-04![](https://www.biodiversitylibrary.org/pagethumb/32910964,60,60)
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
Created: 2014-09-04, modified: 2014-09-04![](https://www.biodiversitylibrary.org/pagethumb/33049136,60,60)
Published in Journal für Ornithologie, in 1870, in volume 18, pages 235-237
Created: 2014-09-04, modified: 2014-09-04