| Titre : | British Birds 106(2) - FEB 2013 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
J. Martin Collinson, Auteur ;
Thomas Shannon, Auteur ;
Paul Archer, Auteur ;
Nigel Odin, Auteur ;
Roger Riddington, Auteur ;
Paul Walsh, Auteur
The criteria for robust identification of migrant Siberian Chiffchaffs Phylloscopus collybita tristis in western Europe continue to prove controversial. Whereas many 'classic' birds are identifiable on the basis of plumage and vocalisations, man[...]
Article
Marco Thoma, Auteur ;
Andreas Taeschler, Auteur
On 5th May 2011, a Bimaculated Lark Melanocorypha bimaculata was discovered in the canton of Ticino, southern Switzerland. This was the first record for Switzerland and only the second for central Europe. Despite the proximity of its breeding gr[...]
Article
Andy Musgrove, Auteur ;
Nicholas Aebischer, Auteur ;
Mark Eaton, Auteur ;
Richard Hearn, Auteur ;
Stuart Newson, Auteur ;
David Noble, Auteur ;
Matt Parsons, Auteur ;
Kate Risely, Auteur ;
David Stroud, Auteur
Population estimates of birds have a wide range of practical conservation uses, as well as being of enduring interest to many birdwatchers. Following previous reports by the Avian Population Estimates Panel, in 1997 and 2006, we present the thir[...]
