320 of Pennsylvania's most abundant or notable bird species are color-illustrated in this handy, comprehensive field guide. A Quick Reference Guide organizes all species into color-coded family groupings. You'll also find a glossary of terms, a birder's checklist and separate indexes for scientific and common names. A map features the state's best birding sites and describe's Pennsylvania's most notable viewing locations. Each species account includes a full-colour and detailed illustration, along with information about habitat, nesting, feeding, voice, similar species, as well as a range map that shows distribution of the species throughout the year as well as migratory pathways.