| Titre : | Ringing & Migration 20(1) - May, 2000 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Robin M. Ward, Auteur
Count, recovery and biometric data were analysed to assess the conservation status and use of Teesmouth by Common Terns Sterna hirundo and Sandwich Terns Sterna sandvicensis in late summer. The recognition of the international importance of Tees[...]
Article
M. Herremans, Auteur
The primary moult of small Accipitridae normally follows a single descendant sequence, while serial descendant primary moult (Staffelmauser) is typical in large raptors. Elaninae are considered to moult in a single descendant sequence. During a [...]
Article
N. M. Harrison, Auteur ;
M. J. Whitehouse, Auteur ;
P. A. Prince, Auteur ;
N. Huin, Auteur
A mist-netting site at Cow Lane Gravel Pits, Cambridgeshire, contributes to the British Trust for Ornithology's (BTO) Constant Effort Site (CES) ringing scheme. Standard net sites are located in relatively stable osier scrub Salix, but the nearb[...]
Article
Jacquie A. Clark, Auteur ;
Chris V. Wernham, Auteur ;
Dawn E. Balmer, Auteur ;
Sue Y. Adams, Auteur ;
Jeremy R. Blackburn, Auteur ;
Bridget M. Griffin, Auteur ;
Jackie King, Auteur
This is the 62nd annual report of the British Trust for Ornithology's Ringing Scheme, presenting research carried out and data received in 1998. A study of fish-eating birds, initiated because of a perceived increase of predation on fish populat[...]
Article
Lucia Esteban, Auteur ;
Francisco Campos, Auteur ;
Arturo H. Arino, Auteur
Biometric data were collected from Dippers Cinclus cinclus in Navarre (northern Spain) between 1992 and 1994. Male and female individuals of any age could be separated by using a discriminant function in the form y + 2x > 243 for male individual[...]



