La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	The status of Icelandic Redshank Tringa totanus robusta in north Kent during autumn
Auteurs :	K. Derrett, Auteur ; R. Smith, Auteur
Type de document :	Article
Dans :	Ringing & Migration (20(4) November, 2001)
Article en page(s) :	338-343
Résumé :	Two races of Redshank occur in the British Isles, the nominate race Tringa totanus totanus which breeds in Britain and mainland Europe, and the Icelandic race T.t.robusta which breeds only in Iceland and the Faeroes. Birds from Iceland are generally larger than the nominate race. This paper quantifies the proportion of Icelandic birds present in north Kent in autumn by analysing biometric data using the Summers et al. (1988) calculation for the determination of population composition within mixed flocks of Redshank. To assist in this analysis a comparison is made between birds caught in Moray Firth, Scotland and The Swale, north Kent. Redshank of the Icelandic race Tringa totanus robusta form an insignificant proportion of the population of Redshank to be found in north Kent in autumn.

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