| Peter Berthold, Eberhard Gwinner, Edith Sonnenschein - 2003 - 636 sidor
The reader of this comprehensive presentation benefits from an outstanding overview of all aspects of the fascinating phenomenon of bird migration. The book is written by ... | |
| P. Berthold - 1996 - 370 sidor
Considers all aspects of research since experimentation began on the subject in 1925 | |
| Thomas Alerstam - 1993 - 438 sidor
Bird migration is one of the most astonishing feats in the natural world. Millions of birds migrate, often over very large distances, to benefit from seasonal resource ... | |
| Eberhard Gwinner - 2012 - 436 sidor
E. GWINNER! The phenomenon of bird migration with its large scale dimensions has attracted the attention of naturalists for centuries. Worldwide billions of birds leave their ... | |
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