Q53 - American Redstart Song Modes and Pairing
Refer to the question paper for figures and tables.
a. Unpaired males sang in repeat mode at significantly higher and less variable rates than did paired males.
b. The amount of overlap between the two samples of male birds decreased as the song duration decreased.
c. Unpaired males prefer to sing more types of songs than paired males.
d. Repeat songs are more useful in attracting females while serial songs are more useful in pair-bonding behaviours.