| Titre : | Ringing & Migration 19(1) - May, 1998 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
J. C. A. Craik, Auteur
Significant differences were found in statistical comparisons of adult Common Terns and Arctic Terns. Common Terns were heavier and had higher values of bill + head length, wing breadth and wing area. Although Arctic Terns were smaller than Comm[...]
Article
Andrea Pilastro, Auteur ;
Fernando Spina, Auteur ;
Pierfrancesco Micheloni, Auteur
In order to investigate pre-migratory strategies of Swallows in Italy, simultaneous ringing activities were carried on during three focal days (September 6-8, 1996) at 24 different roosts scattered across the Italian peninsula and main islands. [...]
Article
John Morgan, Auteur
Article
The wing length and body weight of British Cuckoos (Seel 1977; 387 birds measured) and of birds in the Baltic region (688 birds measured at the Rybachy Biological Station, on the Courish Spit) were compared. The wing lengths of juvenile and adul[...]
Article
José A. Masero, Auteur ;
Santiago R. Pizarro, Auteur ;
Francisco Hortas, Auteur
Article
Luis T. Costa, Auteur ;
Goncalo L. Elias, Auteur
A colony of Pallid Swifts Apus pallidus in the Serra da Arrabida (Southern Portugal) was visited regularly during seven consecutive breeding seasons (from 1990 to 1996) in order to study the birds' biometrics and survival rates through capture a[...]
Article
John Morgan, Auteur
Article
Norman McCanch, Auteur
Article
Roger Riddington, Auteur ;
Nik Ward, Auteur
The invasion of Northern Bullfinches P. p. pyrrhula to Britain, primarily the Northern Isles, in autumn 1994 is documented. The timing and magnitude of the influx is described, whilst ringing data are used to describe age and sex composition, bo[...]
Article
Lorenzo Fornasari, Auteur ;
Monica Carabella, Auteur ;
Walter Corti, Auteur ;
Federico Pianezza, Auteur
Autumn movements of the Citril Finch in the Alpine range are known only in a general way. In Lombardy, the winter expansion of the breeding range is documented by the comparison of the breeding and the wintering atlas maps, while the arrival of [...]
Article
Volker Dierschke, Auteur
The minimum annual survival of Purple Sandpipers as derived from resighting rates in a colour-ringed population at Helgoland (SE North Sea) was higher in adults (80%) than in first-year birds (36%). In both first-year and adult birds, the minimu[...]
Article
P. D. O'Donoghue, Auteur ;
T. F. Cross, Auteur ;
J. O'Halloran, Auteur
Article
Article
M. R. Lawn, Auteur
Arrival dates of male Willow Warblers at a site in southern England varied in relation to age, with adults arriving earlier on average than first years and males of unknown age. Polygynous males arrived earlier, on average, than monogamous and u[...]
Article
Jaime A. Ramos, Auteur
Information on biometrics, weights, breeding and moulting seasons is presented for several passerines, namely Chaffinch, Fringilla coelebs moreletti, Azores Bullfinch, Pyrrhula murina, Goldcrest, Regulus regulus azoricus and Blackcap, Sylvia atr[...]
Article
M. Kruk, Auteur ;
M. A. W. Noordervliet, Auteur ;
W. J. Ter Keurs, Auteur
A study was carried out on the basis of ringing data (period 1900-1991) to find out to what extent young Black-tailed Godwits return to their birth place for breeding. We found that most birds in the breeding season which were ringed as chicks w[...]
Article
Kasper Thorup, Auteur
The migratory orientation of the two Siberian species Yellow-browed Warbler Phylloscopus inornatus and Pallas's Warbler Ph. proregulus was tested on Christianso, Denmark in the autumn 1994. We found an east-west axis of orientation. Although wea[...]
