Published in Journal für Ornithologie, in 1876, in volume 24, pages 91-98

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

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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 317-319

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Published in Journal für Ornithologie, in 1873, in volume 21, pages 157-158

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Published in Journal für Ornithologie, in 1870, in volume 18, pages 463-464

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Published in Journal für Ornithologie, in 1870, in volume 18, pages 460-462

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Published in Journal für Ornithologie, in 1871, in volume 19, pages 75-76

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Published in Journal für Ornithologie, in 1872, in volume 20, pages 395-399

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Published in Journal für Ornithologie, in 1870, in volume 18, pages 71-73

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Published in Journal für Ornithologie, in 1871, in volume 19, pages 313-319

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Published in Journal für Ornithologie, in 1881, in volume 29, pages 215-218

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Published in Journal für Ornithologie, in 1874, in volume 22, pages 232-233

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Published in Journal für Ornithologie, in 1877, in volume 25, pages 101-104

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Published in Journal für Ornithologie, in 1879, in volume 27, pages 212-214

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Published in Journal für Ornithologie, in 1886, in volume 34, pages 389-394

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Published in Journal für Ornithologie, in 1886, in volume 34, pages 397-402

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Published in Journal für Ornithologie, in 1889, in volume 37, pages 85-89

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Published in Journal für Ornithologie, in 1871, in volume 19, pages 398-399

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Published in Journal für Ornithologie, in 1872, in volume 20, pages 233-235

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Published in Journal für Ornithologie, in 1872, in volume 20, pages 237-239

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Published in Journal für Ornithologie, in 1872, in volume 20, pages 236-237

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Published in Journal für Ornithologie, in 1872, in volume 20, pages 157-158

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Published in Journal für Ornithologie, in 1872, in volume 20, pages 158-160

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Published in Journal für Ornithologie, in 1873, in volume 21, pages 152-155

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Published in Journal für Ornithologie, in 1874, in volume 22, pages 350-351

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Published in Journal für Ornithologie, in 1874, in volume 22, pages 343-348

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Published in Journal für Ornithologie, in 1874, in volume 22, pages 348-350

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Published in Journal für Ornithologie, in 1880, in volume 28, pages 109-111

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Published in Journal für Ornithologie, in 1875, in volume 23, pages 228-231

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Published in Journal für Ornithologie, in 1887, in volume 35, pages 219-221

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Published in Journal für Ornithologie, in 1887, in volume 35, pages 217-219

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Published in Journal für Ornithologie, in 1876, in volume 24, pages 441-442

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Published in Journal für Ornithologie, in 1880, in volume 28, pages 329-332

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Published in Journal für Ornithologie, in 1876, in volume 24, pages 332-335

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Published in Journal für Ornithologie, in 1874, in volume 22, pages 456-459

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Published in Journal für Ornithologie, in 1882, in volume 30, pages 125-126

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Published in Journal für Ornithologie, in 1888, in volume 36, pages 307-308

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Published in Journal für Ornithologie, in 1885, in volume 33, pages 103-108

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Published in Journal für Ornithologie, in 1875, in volume 23, pages 448-452

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Published in Journal für Ornithologie, in 1884, in volume 32, pages 244-245

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Published in Journal für Ornithologie, in 1871, in volume 19, pages 73-75

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Published in Journal für Ornithologie, in 1871, in volume 19, pages 152-157

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Published in Journal für Ornithologie, in 1871, in volume 19, pages 157-158

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Published in Journal für Ornithologie, in 1873, in volume 21, pages 73-80

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Published in Journal für Ornithologie, in 1873, in volume 21, pages 70-73

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Published in Journal für Ornithologie, in 1873, in volume 21, pages 307-310

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Published in Journal für Ornithologie, in 1873, in volume 21, pages 313-315

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Published in Journal für Ornithologie, in 1873, in volume 21, pages 310-313

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Published in Journal für Ornithologie, in 1876, in volume 24, pages 216-223

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