Author: Shirihai, Hadoram, Gabriel Gargallo & Andreas J. Helbig.
Title: Sylvia Warblers. Indentification, taxonomy and phylogeny of the genus Sylvia.
Description: London, Helm, 2011. 576 pp. Col. & b./w. ills. Hardcover, d./j.

Keywords: Birds Sparrow Whitethroat Vogels Mussen Grasmussen