Excerpt from Bird Behaviour, Psychical and Physiological Importance of subject - Incompleteness of our information about even the commonest species - Distinction between major and minor habits - General activities or tricks of manner Greater importance of the latter in classification - Errors to be avoided in Observation. The study of birds Is Often looked down upon by general zoologists as a trifling pursuit, and the reason of this is not far to seek What IS called zoology nowadays is for the most part the study of com parative anatomy, and from this point of view birds are of extremely small Interest; they are remarkably uniform In their general structure, and such varia tions Of note as do occur are chiefly confined to a few flightless families, such as Ostriches and Pen guins. 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.