TY  - GEN
AU  - Irwin,D E
TI  - Song variation in an avian ring species
SN  - 0014-3820
PY  - 2000///0905
KW  - Animals
KW  - Birds
KW  - physiology
KW  - Ecology
KW  - Reproduction
KW  - Selection, Genetic
KW  - Sexual Behavior, Animal
KW  - Vocalization, Animal
N1  - Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S
UR  - https://doi.org/10.1111/j.0014-3820.2000.tb00099.x
ER  -