| Titre : | Journal of Ornithology 141(2) - APR 2000 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Article
J. Garcia-Moreno, Auteur ;
J. Fjeldsa, Auteur
Article
R. Skiba, Auteur
Bergmann et al. (1988) formed the tentative hypothesis that the spatial distribution of different "rain call" dialects in the Chaffinch (Fringilla coelebs) could be caused by the acoustic environment. in concrete terms, it was supposed that the [...]
Article
C. Menzel, Auteur ;
E. Strauss, Auteur ;
W. Meyer, Auteur ;
K. Pohlmeyer, Auteur
In four regions of Lower Saxony with a total area of 113 km(2) we examined woods and electricity pylons as habitat structures with respect to their frequency distribution and suitability as breeding places of carrion crows. We determined real po[...]
Article
Article
F. Bairlein, Auteur
Article
K. L. Schuchmann, Auteur
Article
F. Nievergelt, Auteur ;
F. Liechti, Auteur
A widely applied method of experimentally determining migratory activities and directions is the so called Emlen-funnel cage, using typewriter correcting paper (Tipp-Ex(C)) for the registration. We investigated methodical biases, with respect to[...]
Article
P. Laiolo, Auteur ;
C. Palestrini, Auteur ;
A. Rolando, Auteur
The calls uttered by Choughs (Pyrrhocorax pyrrhocorax) on Islay (S-W Scotland) were recorded during the breeding season. We analysed the vocal repertoire and the degree of call variation, among and within individuals. Eight structurally differen[...]
Article
S. Baumann, Auteur
Habitat structure and habitat use of European Golden Orioles were compared in breeding and wintering habitats of northwestern Germany and Zimbabwe. In 25 bird use plots per area. tree density, crown cover, vertical foliage distribution, maximal [...]
Article
Anonymous, Auteur
Article
R. Prinzinger, Auteur ;
V. Dietz, Auteur ;
D. Bringer, Auteur
The (invisible) behaviour called Internal Pipping (IP, the puncturing of the inner egg membrane to bring the bill tip inside the air-cell to breathe air) is considered as a regular and obligatory element in the normal hatching process of a bird.[...]
Article
A. Andrianarimisa, Auteur ;
L. Bachmann, Auteur ;
J. U. Ganzhorn, Auteur ;
S. M. Goodman, Auteur ;
J. Tomiuk, Auteur
This study focuses on some genetic consequences of habitat fragmentation in populations of four endemic bird species (Monticola sharpei, Terpsiphone mutata, Foudia omissa, and Foudia madagascariensis) living in the understory of forests in the R[...]
