| Titre : | Bird Study 48 - JUL 2001 |
| Type de document : | Bulletin |
| Paru le : | 01/07/2001 |
Dépouillements
Article
A. J. Van Strien, Auteur ;
J. Pannekoek, Auteur ;
D. W. Gibbons, Auteur
Many European countries have annual breeding bird monitoring schemes based on nationwide samples; most are in northern and western Europe. We have developed a method to produce yearly population indices of bird species across countries by combin[...]
Article
D. P. Vanhinsbergh, Auteur ;
D. E. Chamberlain, Auteur
Habitat associations of Meadow Pipits breeding in British upland 1 km and 10 km squares were investigated using data from the British Trust for Ornithology's (BTO) Breeding Bird Survey (BBS, 1994-97), The New Atlas of Breeding Birds in Britain a[...]
Article
J. E. Hafsmo, Auteur ;
I. Byrkjedal, Auteur ;
G. B. Gronstol, Auteur ;
T. Lislevand, Auteur
Article
P. Pedrini, Auteur ;
F. Sergio, Auteur
Land abandonment and afforestation are causing considerable forest expansion in the Alpine chain, with consequent loss of Alpine pastures, the main foraging habitat for Golden Eagles Aquila chrysaetos. A population of 46 pairs of Golden Eagles w[...]
Article
H. Boyd, Auteur ;
T. Piersma, Auteur
The nominate (Afro-Siberian) subspecies of the Knot Calidris canutus canutus breeds on the Taimyr Peninsula in Siberia and occurs commonly in the westernmost Wadden Sea during migration to West and South Africa. The recoveries and controls of 20[...]
Article
I. M. W. Sim, Auteur ;
D. W. Gibbons, Auteur ;
I. P. Bainbridge, Auteur ;
W. A. Mattingley, Auteur
A survey of breeding Hen Harriers in the UK raid the Isle of Mail carried out in 1998 consisted of two parts: a complete census of 10-km squares at the core of the species' known range, and a random sample of 10-km squares across the rest of its[...]
Article
A. Hampe, Auteur
In southern temperate regions many fleshy-fruited plant species ripen their fruits during the breeding or early post-breeding season and these are consumed by resident birds. I studied the frugivore community of the summer-fruiting free Frangula[...]
Article
G. Bishton, Auteur
A population of Dunnocks Prunella modularis inhabiting hedgerows was studied over a period of four years in order to examine the habitat structure of breeding territories and to attempt to determine how the constraints imposed by the linear stru[...]
Article
R. W. Summers, Auteur ;
M. Nicoll, Auteur ;
W. Peach, Auteur
Purple Sandpipers wintering on the Kincardine coast had (a protracted autumn arrival (one-quarter and three-quarters of the birds arrived on
Article
S. Gillings, Auteur ;
R. J. Fuller, Auteur
The results of a national survey of wintering Skylarks Alauda arvensis undertaken by the British Trust for Ornithology (BTO) between November 1997 and February 1998 are reported here. Over three visits, volunteers counted Skylarks and mapped hab[...]
Article
P. P. Olea, Auteur
Much is known about the breeding period of the threatened Lesser Kestrel, but little of the postfledging period. Here, I examine the postfledging dispersal of juvenile Lesser Kestrels, based on all ringing recoveries of Lesser Kestrels ringed as[...]
Article
S. Herrando, Auteur ;
L. Brotons, Auteur
The effects of post-fire changes in vegetation and habitat quality on the developmental stability of individual birds have not been assessed to date. Here we compare fluctuating asymmetry in tail feathers of Sardinian Warblers Sylvia melanocepha[...]
Article
S. C. Votier, Auteur ;
S. Bearhop, Auteur ;
N. Ratcliffe, Auteur ;
R. W. Furness, Auteur
Article
P. F. Donald, Auteur ;
A. D. Evans, Auteur ;
D. L. Buckingham, Auteur ;
L. B. Muirhead, Auteur ;
J. D. Wilson, Auteur
The distribution of breeding Skylarks on lowland farmland was examined on a monthly basis oil 13 farms in southern England in 1996. General linear models identified crop type and field area, drape and boundary characteristics as significant inde[...]
Article
A. Freitag, Auteur ;
A. Martinoli, Auteur ;
J. Urzelai, Auteur
This paper describes an original autonomous system based on the passive integrated transponder (PIT) technology for monitoring the feeding activity of smalt birds at the nest. It is installed on pre-existing nestboxes which were slightly modifie[...]
Article
A. J. Taylor, Auteur ;
J. O'Halloran, Auteur
The prey composition of the diet of Dippers Cinclus cinclus was shown to differ between baseflow and spate conditions. In southwest Ireland, faecal pellets were collected during a heavy spate in early winter 1991 and during a period of baseflow [...]
Article
D. Parejo, Auteur ;
J. M. Sanchez-Guzman, Auteur ;
J. M. Avilés, Auteur
Article
M. J. Whittingham, Auteur ;
R. B. Bradbury, Auteur ;
J. D. Wilson, Auteur ;
A. J. Morris, Auteur ;
A. J. Perkins, Auteur ;
G. M. Siriwardena, Auteur
Numbers of many bird species which breed ore farmland, arid are reliant ore cropped land for feeding or nesting, declined between the 1960s and 1990s. In contrast, Chaffinch Fringilla coelebs numbers increased on farmland over the same period. T[...]
