| Titre : | British Birds 93(5) - May, 2000 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
J. Denis Summers-Smith, Auteur
Article
Richard Meyer, Auteur
The decline of the Red-billed Chough Pyrrhocorax pyrrhocorax across southern Britain was caused mainly by human activities, and resulted in its extinction as an English breeding species. Examination of the species' current status and feeding eco[...]
Article
Richard J. Evans, Auteur
Counts of wintering Slavonian Grebes Podiceps auritus around the coasts of Britain and Ireland were collated from county bird reports for the period 1986/87-1992/93. Mean peak values were calculated for the midwinter period for each site, and th[...]
Article
Rob Clements, Auteur
The failure of the Common Buzzard Buteo buteo to re-establish itself as a breeding species in much of eastern Britain has been the subject of much speculation over the past 30 years. Recently, however, there is evidence that Common Buzzard are f[...]
Article
Eugeniy N. Panov, Auteur ;
Dmitriy G. Monzikov, Auteur
Between 19th July and 1st August 1997, at the Chany Lakes in southwestern Siberia, data were collected on phenotype features and behaviour of the local populations of gulls Larus belonging to the taxonomically vague form barabensis. These were c[...]
