| Titre : | Ringing & Migration 33(2) - July, 2018 |
| Type de document : | Bulletin |
| Paru le : | 01/07/2020 |
Dépouillements
Article
Robert T. Smith, Auteur ;
Duncan Irving, Auteur ;
Andrew Davidson, Auteur ;
Brian Smith, Auteur
Article
Robin M. Sellers, Auteur ;
Jeremy J. D. Greenwood, Auteur
To increase the variety of game available on his estate at Netherby, near Carlisle, Sir Richard Graham began in 1890 to develop extensive facilities for the captive breeding of wild ducks. Large numbers of birds were involved, 8000–10 000 Mallar[...]
Article
Luca Fornasari, Auteur ;
M. Gustin, Auteur ;
R. Carini, Auteur ;
M. Maselli, Auteur
Blackbirds in Italy are believed to be a breeding, passage and wintering bird. Wintering individuals that breed in northern Europe are thought to be different morphologically from individuals breeding in Italy. In this paper we test the hypothes[...]
Article
Lorenzo Mentil, Auteur ;
Paolo Monti, Auteur ;
Fulvio Fraticelli, Auteur ;
Giuseppe Maria Carpaneto, Auteur
Only one fact is certain when sexing the Ring-necked Parakeet visually: adult males have a rose-coloured ring and a black bib that is fully developed by their third year. Sexually immature males (those
Article
Ruth H. Walker, Auteur ;
Robert A. Robinson, Auteur ;
Carl J. Barimore, Auteur ;
Jeremy R. Blackburn, Auteur ;
Lee J. Barber, Auteur ;
Jacquie A. Clark, Auteur ;
Gary D. Clewley, Auteur ;
Hazel E. Evans, Auteur ;
Ros M. Green, Auteur ;
Diana X. de Palacio, Auteur ;
Mark J. Grantham, Auteur ;
Bridget M. Griffin, Auteur ;
Sabine Schäfer, Auteur ;
David I. Leech, Auteur
This is the 81st annual report of the British Trust for Ornithology’s Ringing Scheme, incorporating the report of the Nest Record Scheme and covering work carried out and data collected and processed in 2017. Demographic data contributed to seve[...]
Article
Wayne Parry, Auteur ;
Richard K. Broughton, Auteur
The British Willow Tit Poecile montanus has undergone a substantial decline in abundance and a severe contraction in range since the 1970s, for reasons that are poorly understood. Breeding failure, due to nest-site competition and predation, has[...]
Article
Jean-Marc Fourcade, Auteur ;
Philippe Fontanilles, Auteur
Differential post-breeding movements between sex or age groups lead to spatial segregation and can result in the exploitation of different habitats by individuals from the same population. Our aim is to assess whether the use of reedbeds by non-[...]



