| Titre : | British Birds 98(7) - JUL 2005 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
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Peter Rock, Auteur
Urban-nesting by Herring Larus argentatus and Lesser Black-backed Gulls L. fuscus in Britain began in the 1940s, but became established as a national phenomenon in the late 1960s and early 1970s. Since that time, numbers have grown exponentially[...]



