La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	The uppertail-covert pattern of 'Stejneger's Stonechat'
Auteurs :	Magnus Hellstrom, Auteur ; Gabriel Norevik, Auteur
Type de document :	Article
Dans :	British Birds (107(11) NOV 2014)
Article en page(s) :	692-700
Résumé :	Migrant Siberian Stonechats Saxicola maurus trapped for ringing at Beidaihe, China, in spring 2011 and autumn 2013, revealed the presence of dark spotting on the uppertail-coverts of c. 60% of first-winter and adult birds. The markings were found more often in males than females. Siberian Stonechats are generally considered to show an unmarked rump and uppertail-coverts, whereas dark spotting is characteristic of European Stonechat S. rubicola. The frequency and size of uppertail-covert spotting is examined, and implications for identification are reviewed, in particular the separation of stejnegeri from the nominate race maurus.

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