TY  - BOOK
ED  - National Geographic Book Service.
TI  - The Wonder of birds
SN  - 0870444700
U1  - 598 21
PY  - 1983///
CY  - Washington, D.C.
PB  - National Geographic Society
KW  - Birds
KW  - Behavior
KW  - Conservation
N1  - Includes index; Bibliography: p. 272
ER  -