This comprehensive reference to the approximately five hundred bird species known to occur in the state combines current information on the population status and distribution of each species with details of their habitats and life histories. The definitive source for Oregon ornithology, it provides interested citizens with a basic understanding of Oregon's rich bird life, and serves as an invaluable reference for birders and wildlife professionals. This new paperback edition includes an annotated list of species that have been added to the official state bird list since the book was first published in 2003.