Bird Songs of Garden Woodland and Meadow Author:Arthur A. Allen and Peter Paul Kellogg From the back of the book: — "This musical anthology represents 35 years of research in bird-sound recording by the Cornell Laboratory of Ornithology at Ithaca, New York. Under the guidance of Dr. Arthur A. Allen, its founder, and Dr. Peter Paul Kellogg, Professor of Ornithology and Biological Acoustics, the laboratory has made important advances... more » in equipment and techniques. In 1932 it pioneered the use of the parabolic reflector for concentrating bird songs into the microphone. In 1949 it designed a portable manetic-tape recorder for greater mobility in the field. Today its Library of Natural Sounds, from which these authentic recordings were selected, contains the vocalizations of more than 1,800 species of birds."« less