The Clements Checklist of Birds of the World. Sixth edition Sponsored by the American Ornithologists'

Sponsored by the American Ornithologists' Union and the New York State Museum and Science Service

vultures and owls found in the western U

either in the vernacular (English) name or latinized in the scientific nomenclature

Spotting to the endpapers

and the habitat it is likely to be found in

The Clements Checklist of Birds of the World. Sixth edition Sponsored by the American Ornithologists'New hardcover with bumped corners, in dust jacket. Birds have long held a unique dual role as a model group for scientists and as the focus of birders' passionate quests. Despite centuries of observation, each year brings the discovery and description of several entirely new avian species and hundreds of other taxonomic splits or lumps based on DNA data. In this arena of continual and increasing taxonomic change, The Clements Checklist presents the