The So-Called Volcano in the Santa Monica Mountains, near los Angeles, California
Arnold, R.S.; Johnson, H.R.
Science 27(692): 553-554
Female canaries exposed to playback of large repertoires of male songs built nests faster and laid more eggs than did those females exposed to smaller song repertoires: females are attentive to attributes of male song, and their choices have played a role in the evolution of oscine singing behaviors.