Field Guide to the Songbirds of South AmericaWith the publication of the landmark volumes The Birds of South America: The Oscine Passerines and The Birds of South America: The Suboscine Passerines, Robert S. Ridgely and Guy Tudor established themselves as the leading authorities on the songbirds of South America. Reviewers hailed the volumes as the essential reference works for professional ornithologists and avocational birders alike, and they remain the only volumes that provide full