Excerpt from Manual of North American Birds During the eight years which have passed since the first edition of this work was published the number of active ornithologists in the United States has greatly increased, and through their united research in the exploration of new or imperfectly worked fields and the careful revision of particular genera our knowledge of North American birds has been materially extended, thus rendering a new and carefully revised edition extremely desirable. It is well known that few, if any. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.