The birds /
Peterson, Roger Tory.
The birds / by Roger Tory Peterson. - New York, N.Y. : Time Incorporated, 1963. - 192 p. : ill. - Life Nature Library. .
Includes bibliographical references and index.
From archaeopteryx to sparrow--What it takes to fly--Birds as food gatherers--From egg to adult.
Birds.
Nature--General.
The birds / by Roger Tory Peterson. - New York, N.Y. : Time Incorporated, 1963. - 192 p. : ill. - Life Nature Library. .
Includes bibliographical references and index.
From archaeopteryx to sparrow--What it takes to fly--Birds as food gatherers--From egg to adult.
Birds.
Nature--General.