Blue Mountain Vireo Vireo osburni

A stout, plain vireo of woodlands with dense foliage, preferring higher elevation and wetter forests. This species lacks facial markings or wingbars of other Caribbean vireos. Its thick dark bill separates it from all warblers. This is a secretive species, typically first detected by vocalizations. The song is loud somewhat musical trill with a modest crescendo-decrescendo pattern. The call is a loud brrrrr, dropping in pitch towards the end.