Song characteristics vary clinally across an active colonization zone in Eurasian Nuthatches Sitta europaea

White C., James P. 2012. Song characteristics vary clinally across an active colonization zone in Eurasian Nuthatches Sitta europaea. Bird Study, Volume 59, Issue 3, pages 296-302.

Abstract

Eurasian Nuthatches have experienced a northward range expansion in Britain. Younger, more isolated, populations have smaller song meme-pool size, diversity and individual repertoires.