A biology of birds with particular reference to New Zealand birds /
by B.D. Heather ; with a foreword by C.A. Fleming.
- 102 pages : illustrations ; 24 cm
"Issued by the Ornithological Society of New Zealand.". "Main text reprinted from "Biology for sixth forms" (1963)"--T.p. verso.
Includes bibliographical references (pages 95-96) and index.