1984. 670 pp. NOTE: Part 4 (Swallows to Finches) only. Fine hardcover in dust jacket. Color frontispiece of Viridian Dacnis, Mielero Esmeraldino, Dacnis viguieri by Guy Tudor.The definitive study of the avifauna of Panama: this volume covers the oscines, or songbirds - among them many migrants from North America. Species accounts are included for blackbirds, finches, jays, orioles, swallows, tanagers, thrushes, vireos, and wrens. Text includes distribution, ecology, behavior, and critical measurements from each species and race known to occur in Panama. Ornithologists and well-traveled birdwatchers will find this book to be invaluable, as will students of tropical birds native to other areas because it provides useful data for comparisons of diet, nesting behavior, and other aspects of life history.