Birds of Pennsylvania Author:Merrill Wood Nothing on the back of the book. — From inside of book: — "This publication is intended to describe the variety of birds in Pennsylvania, their frequency, abundance, seasonal occurence, habits and status changes, and their general breeding and winter ranges. Included are 186 pen-and-ink drawings for the more common birds and a few others. To mak... more »e the drawings more useful, the approximate size and general coloration are noted at the end of the species description."« less