| Titre : | British Birds 94(6) - June, 2001 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Colin Bradshaw, Auteur
Article
Martin Collinson, Auteur
This Taxonomic Research Update draws birdwatchers' attention to the work of Irwin et al. (2001) on Greenish Warblers Phylloscopus trochiloides. Their research shows that two subspecies, P. t. viridanus and P. t. plumbeitarsus, both of which occu[...]
Article
S. J. White, Auteur ;
C. V. Kehoe, Auteur
Large numbers of Common Terns Sterna birundo of known age were studied during the breeding season at Seaforth Nature Reserve, Liverpool, Merseyside. Detailed observations of key plumage and bare-part features were recorded, and compared with pub[...]
Article
Alan G. Knox, Auteur ;
Andreas J. Helbig, Auteur ;
David T. Parkin, Auteur ;
George Sangster, Auteur
Lesser Redpoll Carduelis cabaret has until recently been widely regarded as a subspecies of Common Redpoll C. flammea. In the past, it was geographically isolated from other redpolls during the breeding season, but expansion of its range since t[...]
