TY  - BOOK
AU  - Bent,Arthur Cleveland
TI  - Life histories of north american wagtails, shrikes, vireos and their allies, order passeriformes
T2  - U. s. national museum. bulletin
AV  - QL696.P2 B42
PY  - 1950///
CY  - Washington
PB  - Govt. print. off.
KW  - Aguzanieves
KW  - Vireos
KW  - Alcaudones
ER  -