| Titre : | Ringing & Migration 20(4) - November, 2001 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
A. Sorace, Auteur ;
M. Gustin, Auteur ;
G. Landucci, Auteur
Wild birds captured with mist-nets for study purposes should be released and returned to the wild as soon as possible to reduce the stress of being handled. Studies of migratory birds involving mist-netting for 24h/day may result in diurnal bird[...]
Article
Darren M. Evans, Auteur ;
Keith R. Day, Auteur
Several duck species exhibit differential migration, whereby females settle further south than males on the winter grounds after the autumn migration. This is most exaggerated in the diving ducks. In Northern Ireland generally, the migration pat[...]
Article
K. Derrett, Auteur ;
R. Smith, Auteur
Two races of Redshank occur in the British Isles, the nominate race Tringa totanus totanus which breeds in Britain and mainland Europe, and the Icelandic race T.t.robusta which breeds only in Iceland and the Faeroes. Birds from Iceland are gener[...]
Article
Hugh Clark, Auteur ;
Robin M. Sellers, Auteur
This paper presents a summary of information on the biometrics of the Twite Carduelis flavirostris based on measurements of live birds captured during the winter months in Caithness, weights of birds caught on Fair Isle, North Ronaldsay, Spurn P[...]
Article
Sergio Nissardi, Auteur ;
Carla Zucca, Auteur
Article
Alessandro Andreotti, Auteur ;
Lionello Bendini, Auteur ;
Dario Piacentini, Auteur ;
Fernando Spina, Auteur
Redwing Turdus iliacus migration in Italy has been investigated on the basis of ringing recoveries stored at the Italian Ringing Scheme. A total of 718 foreign recoveries and 936 recoveries of birds ringed in Italy have been analysed. Most Redwi[...]
Article
Henrik Olsen, Auteur ;
Niels Martin Schmidt, Auteur
Trapping of Hooded Crows Corvus corone cornix has been conducted for decades in an attempt to regulate population size. However, the effect of trapping activity on the breeding performance of crows is more or less unknown. In this study, trappin[...]
Article
David Kelly, Auteur ;
Nigel Cleere, Auteur ;
Charles W. T. Pilcher, Auteur
Using measurements which are regularly collected on Reed Acrocephalus scirpaceus and Marsh Warblers Acrocephalus palustris, a new method was tested which appears to give better separation than the currently available biometric techniques. The le[...]
Article
Sergio Scebba, Auteur
Biometric data (wing, third primary, tail and tarsus length) were collected from 3,034 Skylarks Alauda arvensis on autumn migration in 1998 and 1999 at Ischitella (Caserta), along the southern Tyrrhenian coastline. There was a clear bimodality i[...]
Article
Rhys E. Green, Auteur ;
Norbert Schaffer, Auteur ;
Dieter Wend, Auteur
The shapes of the tips of Corncrake Crex crex secondary remiges grown by chicks and adults were compared. Measurements of secondaries of birds of known age were obtained from wild Corncrakes in Britain and captive-bred birds originating from Ger[...]
Article
Ulf Ottosson, Auteur ;
Stephen Rumsey, Auteur ;
Christian Hjort, Auteur
We present ringing data from the Parc National des Oiseaux du Djoudj, Senegal, for Blackcap Sylvia atricapilla, Orphean Warbler S. hortensis, Subalpine Warbler S. cantillans and Whitethroat S. communis. A total of 5,607 birds of the four species[...]
Article
Linda J. Wilson, Auteur ;
Anthony J. Gaston, Auteur
The effects of various handling procedures on breeding Brunnich's Guillemot Uria lomvia were compared, using the length of time it took for individuals to return to the colony after handling (return time), to indicate the degree of stress impose[...]
Article
Klaus-Michael Exo, Auteur ;
Olga Stepanova, Auteur
The Grey Plover Pluvialis squatarola is a circumpolar breeding wader with slight clinal but discontinuous morphometric variations in the Palearctic. Birds breeding in eastern Siberia seem to be larger than birds breeding in western Siberia as we[...]
Article
J. Michael B. King, Auteur ;
John M. C. Hutchinson, Auteur
Regular ringing was carried out over most of five winters at Ginak in The Gambia. We analyse retrap data from 12 species of migrant birds to examine whether they remain for more than one day within a winter, and whether they return to the study [...]
