Woodpeckers of the world

"Covers all 239 species of woodpeckers. Concise text looks at identification, vocalizations, drumming, habitat, range, food and feeding, taxonomy and confusion species. It is complemented by up-to-date range maps and more than 750 color photographs. The photographic coverage includes most plumages and considerable subspecific variation, making this the definitive work on woodpecker identification."--Back cover.