| Titre : | Journal of Ornithology 143(2) - APR 2002 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
S. K. Herzog, Auteur ;
M. Kessler, Auteur
In Bolivia dry forests are distributed extensively in the southeastern lowlands and extend into the country's northern and southern Andes in rain-shadowed intermontane valleys, where they often form habitat islands. We examined the biogeography [...]
Article
K. Pagenkopf, Auteur ;
T. Wesolowski, Auteur
We expected to find a clearly manifested mate guarding behaviour in males of Sitta europaea as males of this socially monogamous species participate extensively in parental care. We recorded behaviour of nuthatches during one breeding season in [...]
Article
F. M. Lei, Auteur ;
Y. H. Qu, Auteur ;
Y. L. Gan, Auteur ;
A. Gebauer, Auteur ;
M. Kaiser, Auteur
While the microstructures of bird feathers have long been considered to be of taxonomic significance at the level of orders and families, this paper reveals the eco-morphological significance of feather structures in the snow sparrow complex (Mo[...]
Article
Article
S. Dale, Auteur ;
B. F. G. Olsen, Auteur
Most passerines have all-purpose territories in which both breeding and feeding take place. However, Ortolan Buntings (Emberiza hortulana) in Norway seem to depend on foraging areas outside nesting territories. We used radio transmitters to stud[...]
