TY  - BOOK
AU  - Burtt,Harold E.
AU  - Parnall,Peter
TI  - The psychology of birds: an interpretation of bird behavior 
U1  - 598.2 
PY  - 1967///
CY  - New York
PB  - Macmillan
KW  - Birds
KW  - Behavior
N1  - Bibliography: p. 221-233
ER  -