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

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

Published in Journal für Ornithologie, in 1891, in volume 39, pages 225-235

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

Published in Journal für Ornithologie, in 1885, in volume 33, pages 354-368

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

Published in Journal für Ornithologie, in 1877, in volume 25, pages 347-348

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

Published in Journal für Ornithologie, in 1882, in volume 30, pages 4-17

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

Published in Ornithologische Monatsberichte, in 1900, in volume 8, pages 97-98

Created: 2018-10-01, modified: 2018-10-01

Published in Journal für Ornithologie, in 1908, in volume 56, pages 72-121

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

Published in Journal für Ornithologie, in 1903, in volume 51, pages 507-514

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

Published in Journal für Ornithologie, in 1898, in volume 46, pages 312-314

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

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

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

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

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

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

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

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

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

Published in Journal für Ornithologie, in 1879, in volume 27, pages 445-447

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

Published in Journal für Ornithologie, in 1879, in volume 27, pages 437-440

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

Published in Journal für Ornithologie, in 1879, in volume 27, pages 335-336

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

Published in Journal für Ornithologie, in 1882, in volume 30, pages 462-463

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

Published in Journal für Ornithologie, in 1876, in volume 24, pages 443-446

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

Published in Journal für Ornithologie, in 1883, in volume 31, pages 212-217

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

Published in Journal für Ornithologie, in 1882, in volume 30, pages 120-123

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

Published in Journal für Ornithologie, in 1882, in volume 30, pages 123-124

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

Published in Journal für Ornithologie, in 1880, in volume 28, pages 422-425

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

Published in Journal für Ornithologie, in 1880, in volume 28, pages 419-421

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

Published in Journal für Ornithologie, in 1883, in volume 31, pages 100-104

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

Published in Journal für Ornithologie, in 1883, in volume 31, pages 104-106

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

Published in Journal für Ornithologie, in 1887, in volume 35, pages 244-248

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

Published in Journal für Ornithologie, in 1884, in volume 32, pages 248-252

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

Published in Journal für Ornithologie, in 1884, in volume 32, pages 246-248

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

Published in Journal für Ornithologie, in 1884, in volume 32, pages 237-238

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

Published in Journal für Ornithologie, in 1881, in volume 29, pages 110-111

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

Published in Journal für Ornithologie, in 1881, in volume 29, pages 103-107

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

Published in Journal für Ornithologie, in 1882, in volume 30, pages 228-231

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

Published in Journal für Ornithologie, in 1895, in volume 43, pages 457-481

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

Published in Journal für Ornithologie, in 1897, in volume 45, pages 524-533

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

Published in Journal für Ornithologie, in 1899, in volume 47, pages 375-386

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

Published in Journal für Ornithologie, in 1895, in volume 43, pages 250-251

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

Published in Journal für Ornithologie, in 1895, in volume 43, pages 248-250

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

Published in Journal für Ornithologie, in 1895, in volume 43, pages 251-253

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

Published in Journal für Ornithologie, in 1895, in volume 43, pages 253-254

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

Published in Journal für Ornithologie, in 1896, in volume 44, pages 93-95

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

Published in Journal für Ornithologie, in 1896, in volume 44, pages 97-98

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

Published in Journal für Ornithologie, in 1876, in volume 24, pages 89-91

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

Published in Journal für Ornithologie, in 1881, in volume 29, pages 219-222

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

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

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

Published in Journal für Ornithologie, in 1881, in volume 29, pages 212-215

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

Published in Journal für Ornithologie, in 1874, in volume 22, pages 233-238

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

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

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

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

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

Published in Journal für Ornithologie, in 1877, in volume 25, pages 106-111

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

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

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