| Titre : | Ringing & Migration 30(1) - janvier 2, 2015 |
| Type de document : | Bulletin |
| Paru le : | 02/01/2015 |
Dépouillements
Article
Marking birds with individually identifiable metal leg-rings (bands) is a common research tool, and the additional use of plastic colour rings has facilitated numerous studies of bird ecology, yet there is limited information for the impact of t[...]
Article
Kozue Shiomi, Auteur ;
Ulrik Lötberg, Auteur ;
Susanne Åkesson, Auteur
The aim of this study was, by analysing recoveries and resightings of Caspian Terns Hydroprogne caspia ringed in Sweden, (1) to identify areas of importance during their migration and wintering, (2) to investigate the annual routines of migratio[...]
Article
Large-scale and long-term ringing and cohort colour ringing of chicks, combined with trapping of immatures on clubs and adults on nests, allows the age of first breeding by Great Skuas Stercorarius skua to be investigated. Modal and median age o[...]
Article
Sergio Scebba, Auteur ;
Michele Soprano, Auteur ;
Michele Sorrenti, Auteur
The autumn migration of Skylarks Alauda arvensis along the southern Tyrrhenian coast of Italy from 1998 until 2014 is described, with respect to timing and phenology, sex-specific migration patterns and population trends. In total, 21,610 fully [...]
Article
Joop Jukema, Auteur ;
Henk van de Wetering, Auteur ;
Raymond H.G. Klaassen, Auteur
Little is known about the extent of primary moult in non-breeding second-calendar-year Swifts during summer in Europe. A sample of 352 Swifts of this age group was captured during May–July in a village in the Netherlands. Primary moult was almos[...]
Article
Robin J. Prytherch, Auteur ;
Lyndon F. Roberts, Auteur
We propose that nestling Common Buzzards can be sexed reliably by taking just two biometric measurements, maximal tarsus width and hind claw.
Article
S. Bayley, Auteur ;
C. Boothby, Auteur
In this report we test the proposal that the length of the black blotch on the second outermost rectrix is a useful criterion for sexing Siskins in juvenile plumage. In total, 451 individuals at Leith Hill, southeast England, were sexed after th[...]
Article
Yosef Kiat, Auteur ;
Ido Izhaki, Auteur
The moult pattern of the Graceful Prinia Prinia gracilis, a resident cisticolid warbler of the Middle East region of the Western Palaearctic, is poorly known. Characterising moult strategies in the avian life cycle is important for understanding[...]
Article
Large-scale and long-term ringing and cohort colour ringing of chicks, combined with trapping of immatures on clubs and adults on nests, allows the age of first breeding by Great Skuas Stercorarius skua to be investigated. Modal and median age o[...]
