A complete monograph, covering plumage, behavior, evolution and systematics, plus individual species accounts. The birds are illustrated in 101 color plates by George SANDSTROM. Delaware Museum of Natural History, Monograph Series Number 4. Part One covers biology of the family Picidae, with terminology, plumage and structure, behavior, zoogeography, evolution, and systematics, and Part Two includes the species accounts. Hardcover without dust jacket as issued.