| Titre : | British Birds 106(5) - MAY 2013 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Robin Prytherch, Auteur
In a long-term study of the Common Buzzard Buteo buteo in Avon, territorial pairs were counted every year (1982-2012) and full breeding performance was recorded for 20 years (1988-2007), the main study period. The population rose from 13 pairs i[...]
Article
Kevin Anderson, Auteur ;
Simon Clarke, Auteur ;
Roger Lucken, Auteur
The first recorded breeding of Great White Egrets Ardea alba in Britain occurred at Shapwick Heath NNR, Somerset, in 2012. Breeding behaviour was first noticed at one site in early April and at a second site nearby in late May. The first of thre[...]
Article
Chas Holt, Auteur
Records of the Great White Egret Ardea alba have increased significantly in Britain in the last 20 years. The species now occurs throughout the year in some parts of the country, and is sufficiently numerous for a population trend based on WeBS [...]
