La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Studies of West Palaearctic birds: 197. Tree sparrow
Auteurs :	J. Denis Summers-Smith, Auteur
Type de document :	Article
Dans :	British Birds (91(4) April, 1998)
Article en page(s) :	124-138
Résumé :	The Tree Sparrow Passer montanus and the House Sparrow P. domesticus are the only two members of the genus Passer that breed in Britain and Ireland. They are an interesting pair of congeners: both have extensive distributions in the Palearctic and Oriental Regions; both are commensals of Man in at least parts of their ranges; and both, despite some recent decreases in numbers in areas where they have long been established, are still expanding their ranges. A recent article in this series concentrated on the House Sparrow (Summers-Smith 1994); we now turn to the less familiar of the British pair, the Tree Sparrow.

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