TY  - GEN
AU  - DeWolfe,Barbara B.
AU  - Baptista,Luis F.
TI  - Singing behavior, song types on their wintering grounds and the question of leap-frog migration in puget sound white-crowned sparrows
KW  - Aves
KW  - Cantos de aves
KW  - Bioacústica
KW  - Migraciones de aves
KW  - California
KW  - Estados Unidos
KW  - Zonotrichia
KW  - Zonotrichia leucophrys
ER  -