| Titre : | British Birds 105(12) - DEC 2012 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Jeremy J. D. Greenwood, Auteur
John Nelder, who died in 2010, made various contributions to ornithology. The most dramatic was the statistical analysis of the Hastings Rarities, which demonstrated beyond doubt that some of them could not be genuine. It would have been formall[...]
Article
Greg Morgan, Auteur
The year 2012 marks 20 years of RSPB ownership of Ramsey Island, Pembrokeshire, while 2013 marks the 65th anniversary of the purchase of Grassholm. Ramsey is currently better known for its Red-billed Chough Pyrrhocorax pyrrhocorax population, wh[...]
Article
Paul V. Harvey, Auteur ;
Martin Heubeck, Auteur
In Shetland, wintering Slavonian Grebes Podiceps auritus occupy sheltered voes and feed in water depths of less than 20 m over muddy and sandy sediments. Systematic counts found that the wintering population in the islands doubled from just unde[...]
Article
Andrea Corso, Auteur ;
Marco Gustin, Auteur
Surveys of breeding colonies of Eleonora's Falcons Falco eleonorae in the Aeolian and Pelagie Islands, Sicily, showed an unexpectedly high proportion of second-calendar-year (2CY) birds attending breeding colonies. On average, around 20% of all [...]
