TY  - BOOK
AU  - Able,Kenneth P.
TI  - Gatherings of angels: migrating birds and their ecology 
SN  - 0801433622 (cloth : alk. paper)
AV  - QL698.9 .G38 1999
U1  - 598.156/8 21
PY  - 1999///
CY  - Ithaca, NY
PB  - Comstock Books
KW  - Birds
KW  - Migration
KW  - Ecology
N1  - Includes bibliographical references and index
ER  -