Vocal and Behavioral Responses of Brown-headed Cowbirds to Flight Whistles From Different Dialects.

Presents information on a study which examined vocal and behavioral responses of free-living male Brown-headed Cowbirds or the Molothrus ater to playbacks of flight whistles from local, near-foreign, and distant-foreign dialects. Tape recordings and construction of playback tapes; Description of the playback paradigm ; Statistical analyses; General responses to playbacks; Antiphonal responses.