Balearic Islands in the insular council of Mallorca; the three other insular councils are not subdivided into separate comarques, but are themselves assimilated each one to a comarca covering the same territory as the insular council. These nine comarques are then subdivided into municipalities ("municipis"), with the exception of Formentera, which is at the same time an insular council, a comarca, and a municipality. Note that the maritime and terrestrial natural reserves in the Balearic Islands are not owned by the municipalities, even if they fall within their territory, but are owned and managed by the respective insular councils from which they
Balearic warbler with thorny bushes and heather. 3-5 eggs are laid in a nest in a bush. Like most "warblers", they are insectivorous. Balearic warbler Balearic warbler ("Sylvia balearica") is a typical warbler, genus "Sylvia". It is endemic to the Balearic Islands. It groups with the Marmora's warbler, Tristram's warbler and the Dartford warbler (Helbig 2001, Jønsson & Fjeldså 2006). These are small, long tailed, large-headed birds, overall very similar to their close relatives in the Dartford warbler group. Balearic warblers are grey above and pale grey below, adding a pinkish tinge. Adult males have darker patches on the forehead and between