| Titre : | Wildfowl 56 - 2006 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Roseann V. Densmore, Auteur ;
Craig R. Ely, Auteur ;
Karen S. Bollinger, Auteur ;
Sheila Kratzer, Auteur ;
Mark S. Udevitz, Auteur ;
Daniel J. Fehringer, Auteur ;
Thomas C. Rothe, Auteur
Dans
Wildfowl (56 2006)
This paper presents the first information on the availability and use of nesting habitat by the rare Tule Greater White-fronted Goose Anser albifrons elgasi. The breeding range was sampled by marking geese with radio transmitters on wintering an[...]
Article
Mike Smart, Auteur ;
Mohamed F. Essghaier, Auteur ;
Khaled Etayeb, Auteur ;
Abdulmaula Hamza, Auteur ;
Hichem Azafzaf, Auteur ;
Nicola Baccetti, Auteur ;
Pierre Defos Du Rau, Auteur ;
Habib Dlensi, Auteur
Dans
Wildfowl (56 2006)
Systematic surveys of mainly coastal wetlands in Libya were carried out for the first time in January 2005 and 2006, to identify sites of major importance for waterbirds in winter. In 2005, nearly 30,000 waterbirds were found, and in 2006 over 5[...]
Article
Anonymous, Auteur
Dans
Wildfowl (56 2006)
Article
Karsten Laursen, Auteur ;
John Frikke, Auteur
Dans
Wildfowl (56 2006)
A large number of wildlife reserves have been established throughout Europe to protect migratory waterbirds. However, there has been little evaluation of whether they are being managed sustainably. The Danish Wadden Sea became a wildlife reserve[...]
Article
Hans Meltofte, Auteur
Dans
Wildfowl (56 2006)
Monitoring at Zackenberg (74 degrees 30'N, 20 degrees 30'W) since 1995 has provided for the first time long-term data on population trends and breeding performance for a number of high-arctic waterbird species in Greenland. Breeding populations [...]
Article
Bozena Kalejta-Summers, Auteur
Dans
Wildfowl (56 2006)
Counts of ducks and swans in the Moray Firth between 1985 and 2002 were analysed to assess changes in their numbers and distributions. The average count for all ducks combined exceeded 20,000 in all winters. Wigeon Anas penelope was the most abu[...]
Article
Temporal changes in spring migration phenology in the Norwegian Greylag Goose Anser anser, 1971-2004
Pierre A. Pistorius, Auteur ;
Arne Follestad, Auteur ;
Frances E. Taylor, Auteur
Dans
Wildfowl (56 2006)
During spring, Greylag Geese Anser anser migrate from staging grounds in the Netherlands to breeding sites in Norway. The timing of this migration is critical as it corresponds to the most energetically expensive period in the birds' seasonal cy[...]
Article
Jenny Worden, Auteur ;
Peter A. Cranswick, Auteur ;
Olivia Crowe, Auteur ;
Graham Mcelwaine, Auteur ;
Eileen C. Rees, Auteur
Dans
Wildfowl (56 2006)
The total size of the Northwest European population of Bewick's Swan Cygnus columbianus bewickii is monitored at 5-year intervals by a coordinated midwinter census throughout the swans' wintering range. This paper presents the results of three c[...]
Article
Ruth L. Cromie, Auteur ;
Rebecca Lee, Auteur ;
Baz Hughes, Auteur
Dans
Wildfowl (56 2006)
Article
Robert E. Wilson, Auteur ;
Thomas H. Valqui, Auteur ;
Kevin G. McCracken, Auteur
Dans
Wildfowl (56 2006)
Plumage aberrations are common, particularly in waterfowl. There have been numerous proposed causes including the retention of ancestral plumage characters that contain phylogenetic information. A partial white neck ring was observed in Yellow-b[...]
Article
Bozena Kalejta-Summers, Auteur ;
David Butterfield, Auteur
Dans
Wildfowl (56 2006)
Numbers of divers, grebes and seaducks were counted in the Moray Firth during six consecutive winters between 1998/99 and 2003/04, and compared with earlier surveys. Common Scoter Melanitta nigra, Long-tailed Duck Clangula hyentails and Eider So[...]
Article
Norman R. Seymour, Auteur ;
Sean C. Mitchell, Auteur
Dans
Wildfowl (56 2006)
Mallard Anas platyrhynchos abundance has increased in eastern North America with a concomitant decline in the number of Black Duck A. rubripes in some parts of their range. It has been speculated that introgressive hybridisation or competitive e[...]
Article
Mouloud Boulkhssaim, Auteur ;
Moussa Houhamdi, Auteur ;
Boudjema Samraoui, Auteur
Dans
Wildfowl (56 2006)
Between December 2002 and July 2005, the wetland complex of Oum El Bouaghi, northeast Algeria, was surveyed for Shelduck Tadorna tadorna, and their diurnal behaviour was monitored. Numbers of Shelduck recorded were far higher than previously not[...]
Article
Ian J. Patterson, Auteur ;
Richard D. Hearn, Auteur
Dans
Wildfowl (56 2006)
The turnover of individually, neck-collared Pink-footed Geese Anser brachyrhynchus was measured at the Loch of Strathbeg, Grampian, Scotland, from September to mid-November, 1999-2002. The observations, carried out from hides near the birds' roo[...]
