 The largest, Broadmoor to Bagshot Woods & Heaths SSSI was designated in 2001 to include the majority of Swinley Forest.The Thames Basin Heaths Special Protection Area (SPA), 1356 hectares of which lie within Bracknell Forest (Sandhurst to Owlsmoor Bogs and Heaths SSSI and the Broadmoor to Bagshot Woods and Heaths SSSI), supports nationally important populations of Dartford warblers, nightjars and woodlarks, all of which are Annex I species of the Birds Directive, and a small breeding population of hobbies, an important migratory species in a European context.Bracknell Forest is generally affluent (ranked 291 out of 326 on the Index of Multiple Deprivation 2010, Rank of Average Score) with significantly lower than average unemployment levels.