References & Sources - August 29, 1998 
How cardinals tell her
songs from his
Female cardinal songs, which sound very similar to the male songs, have more overtones and are readily distinguished by the birds.
References:
Yamaguchi, A. 1998. A sexually dimorphic learned birdsong in the Northern Cardinal. Condor 100(August):504.
Further Readings:
Catchpole, C.K., and P.J.B. Slater. 1995. Bird Song: Biological Themes and Variations. Cambridge, England: Cambridge University Press.
Milius, S. 1998. He sings Dad’s songs; she sings Mom’s. Science News 153(March 28):199.
Yamaguchi, A. In press. Can a sexually dimorphic learned birdsong be used for male-female recognition? Behaviour.
______. 1996. Female bird song: Function, physiology, and development in the Northern Cardinal. Ph.D. Dissertation, University of California. Davis, Calif.
A bird song contest, a bibliography of academic song research, and a directory of specialists are available at the Song Post web site at http://www.princeton.edu/~shackles/song.post.html.
Cornell Laboratory of Ornithology's bird of the week and information on birdwatcher data-collection, such as Project Feederwatch, are available at http://www.ornith.cornell.edu/.
Sources:
Ayako Yamaguchi
Columbia University
Department of Biological Sciences
Sherman Fairchild Center for Life Sciences
New York, NY 10027
copyright 1998 ScienceService
