| Titre : | Ringing & Migration 19(4) - Nov., 1999 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
K. W. Smith, Auteur ;
J. M. Reed, Auteur ;
B. E. Trevis, Auteur
A radio telemetric study of Green Sandpipers at their wintering site, a disused watercress bed in southern England, shows that they alternate between the watercress bed and a nearby gravel pit complex over the course of the autumn and winter. Bi[...]
Article
Oscar Frias, Auteur
Article
J. C. A. Craik, Auteur
Article
Clive Walton, Auteur ;
Paul Walton, Auteur
Currently ringers are unable to confidently sex some juvenile Reed Buntings due to the overlap in the biometric ranges of male and females, and possible difficulties in the interpretation of sexually dimorphic post-juvenile head plumage. This st[...]
Article
H. Schekkerman, Auteur
Data from 5,134 Skylarks ringed at Castricum, NW Netherlands, during the autumns of 1977-1992 were analysed to describe migration patterns and sex composition. Birds on active migration were attracted to tape-lures and clap-netted. Weekly estima[...]
Article
Graham W. Scott, Auteur
Various published criteria for the separation of Marsh and Willow Tit in the hand were tested on a sample of birds caught for ringing. Only tail 'shape' and the difference in length between T6 and T3 proved reliable. It is suggested that this cr[...]
Article
R. G. Adam, Auteur ;
C. J. Booth, Auteur
Article
Peter Rock, Auteur
Details of the colour-ringing scheme used for nestlings of the Herring and Lesser Black-backed Gulls which breed on rooftops in Bristol are presented. Mean recovery rates of 61.0% and 55.1% respectively have been achieved, showing that the infor[...]
Article
C. J. Corse, Auteur ;
R. W. Summers, Auteur
There are two populations of Purple Sandpipers in Orkney; 'long-billed' birds, which predominate, and 'short-billed' birds. They arrived mainly during October and November, and departed in April and May from sites on Mainland and South Ronaldsay[...]
Article
T. W. Dougall, Auteur
Over six winters, from 1990/91 to 1995/96, Skylarks were caught and ringed at Musselburgh, Lothian. The birds were sexed from biometrics, and mass and visible fat score were recorded in the field. This revealed that there was some sexual dimorph[...]
Article
G. C. Smith, Auteur ;
I. R. Inglis, Auteur
Article
J. S. Kirby, Auteur ;
W. G. Haines, Auteur ;
G. E. Austin, Auteur
In Britain, Canada Geese Branta canadensis have been translocated into new areas and/or areas of low abundance, principally in order to solve problems of local damage to crops or amenity grasslands and to provide new sport-shooting opportunities[...]
Article
J. C. Senar, Auteur ;
J. Domenech, Auteur ;
M. J. Conroy, Auteur
We compared capture rates of Great Tits at funnel traps, where several birds can be captured at once so that some decoy effect may appear, to those obtained at automatic traps, where only one bird can be trapped at a time, at trapping stations i[...]
