Restricted to Mediterranean islands. A fairly uniform lead-gray warbler with a red eyering and orangey legs. Males from western islands ("Balearic Warbler") have a pale throat and are buffier below. Females have a paler throat and lack black lores. Breeds in open scrubby habitats on mountainsides and rocky coastal areas; winters in North Africa. Song a complex twittering similar to other warblers in the same group.