| Titre : | Journal of Ornithology 141(3) - JUL 2000 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
F. R. Mattig, Auteur ;
H. U. Rosner, Auteur ;
K. Giessing, Auteur ;
P. H. Becker, Auteur
Owing to the international importance of the Wadden Sea for waders and waterfowl a long-term program to monitor chemical contamination of birds breeding in the Wadden Sea has been established in the early 1980s with Oystercatcher (Haematopus ost[...]
Article
Article
J. M. Avilés, Auteur ;
J. M. Sanchez, Auteur ;
D. Parejo, Auteur
Nest-site selection and breeding success was studied in a breeding population of Roller (Coracias garrulus) in the Southwest of Spain. 567 nest-boxes were installed on electric pylons in seven different habitats: fallow land, cereals, helm oaks,[...]
Article
A. Hampe, Auteur ;
F. Bairlein, Auteur
Migrating birds that arrive at unknown stopover sites have to satisfy greater nutritive demands in restricted time and simultanously run a higher predation risk than residents which are familiar with the area. Foraging behaviour of resident and [...]
Article
J. L. Mougin, Auteur
The Gory's Shearwaters (Calonectris diomedea) of Selvagem Grande (30 degrees 09'N, 15 degrees 52'W) mate randomly according to beak index, age, breeding experience and previous breeding success, and probably assortatively according to previous b[...]
Article
P. Berthold, Auteur ;
W. Fiedler, Auteur ;
U. Querner, Auteur
Migratory restlessness - defined as the (mainly nocturnal) migratory activity of caged birds - has been known since at least the 18th Century and is regularly used to study questions regarding bird migration. However, it had not been satisfactor[...]
Article
D. S. Peters, Auteur
Unlike in most animal classes the inventory of extant species of the class Aves seems to be almost complete. Nevertheless avian systematics is challenged by many novelties and seems far from being settled. This is caused mainly by the applicatio[...]
Article
T. Schaefer, Auteur ;
B. Vogel, Auteur
In the breeding season of 1995 the ecological function of field-forest ecotones for Woodlarks (Lullula arborea) was examined on an ex-military area of heath in Saxony-Anhalt, Germany. The hypothesis of competition with Skylark (Alauda arvensis) [...]
Article
J. A. Amat, Auteur
Red-crested Pochards (Netta rufina) have been observed feeding on plants brought by their mates to the water surface, and this behaviour has been traditionally considered as courtship feeding. In this paper I report on this behaviour and examine[...]
Article
T. Wesolowski, Auteur
Producing young late in the season is very costly in Marsh Tits, therefore any means which allow late-laying females to compensate for an initial delay are highly advantageous. Any attempts to make up for the initial delay should result in short[...]
Article
J. Martens, Auteur ;
J. Bohner, Auteur ;
K. Hammerschmidt, Auteur
A discriminant analysis of the call structure completely separates three Corvus taxa (levail-lantii and japonensis of the 'macrorhynchos group', splendens) inhabiting the southern slopes of the Himalayas (Nepal, Kashmir). The acoustic difference[...]
