| Titre : | Bird Study : 0006-3657 47 - MAR 2000 |
| Type de document : | Bulletin |
| Paru le : | 01/03/2000 |
Dépouillements
Article
S. Hulka, Auteur ;
J. Stirling, Auteur
Article
A. Pirovano, Auteur ;
D. Rubolini, Auteur ;
S. Brambilla, Auteur ;
N. Ferrari, Auteur
Article
S. R. Wotton, Auteur ;
S. Gillings, Auteur
We report on the 1997 national Woodlark survey which was organized by the Royal Society for the Protection of Birds, the British Trust for Ornithology and English Nature. In 1997, between 1426 and 1552 Woodlark territories were located in Britai[...]
Article
R. W. Furness, Auteur ;
G. Hilton, Auteur ;
L. R. Monteiro, Auteur
Behaviour of birds and radiotracking indicated that Gory's Shearwaters join rafts closest to the location of their nest site. Rafting numbers of Gory's Shearwaters per kilometre of coast were higher around Corvo than around other islands in the [...]
Article
J. A. Sánchez-Zapata, Auteur ;
J. F. Calvo, Auteur ;
M. Carrete, Auteur ;
J. E. Martinez, Auteur
Article
M. Clouet, Auteur
The breeding biology of the Common Crossbill Loxia curvirostra was studied over tot consecutive years in forests of Mountain Pine Pinus uncinata in the Pyrenees, France. The breeding season lasts from summer to the next spring following the matu[...]
Article
A. J. Allen, Auteur ;
D. G. C. Harper, Auteur
Article
V. Keller, Auteur
Under the African-Eurasian Waterbird Agreement (AEWA) of the Convention on Migratory Animals (Bonn Convention), the Red-crested Pochard Netta rufina has a high conservation priority in Europe. This is particularly the ease for the southwest/cent[...]
Article
N. Kjellen, Auteur ;
G. Roos, Auteur
The autumn migration of raptors at Falsterbo, Sweden has been studied since the early 1940s, and from 1973 standardized counts were made. Here we present data for 15 species over a 39-year period from 1942-97. These are discussed in the context [...]
Article
M. Hancock, Auteur
Sixty-three artificial floating islands (rafts) were sited at Black-throated Diver Gavia arctica territories in Scotland, the majority during 1992-95. Rafts were mainly 2.4 m x 3.6 m platforms made of polystyrene blocks on a wooden frame, covere[...]
Article
J. C. A. Craik, Auteur
Article
C. A. Martin, Auteur ;
J. C. Alonso, Auteur ;
J. A. Alonso, Auteur ;
M. B. Morales, Auteur ;
C. Pitra, Auteur
Adult Great Bastards Otis tarda are sexually dimorphic, males weighing more than twice as much as females. However, there is no practical way to distinguish sex in chicks by their morphology. In this paper we describe a discriminant function, Ta[...]
