Moving from the northern reaches of the Boreal Forest to the base of Mount Ararat in Turkey to the urban streets of New York, The Messenger brings us face-to-face with a remarkable variety of human-made perils that have devastated thrushes, warblers, orioles, tanagers, grosbeaks, and many other airborne music-makers. These threats include hunting, light pollution, high rise collisions, pipelines, pesticides, and loss of migratory habitats.
