J
E
F
F
C A
T
T
I
E
BIRD SONG 4 te t i. Preaves ii. Migration iii. Evolution I iv. The Phorusrhacus. v. Evolution II vi. The Thrush. vii. Extinction
1 18 31 35 47 56 68
J
E
F
F
C A
T
T
I
E
BIRD SONG 4 te t i. Preaves ii. Migration iii. Evolution I iv. The Phorusrhacus. v. Evolution II vi. The Thrush. vii. Extinction
1 18 31 35 47 56 68