Kea Play Calls (video) Cell Press Share Print E-Mail Loading video... Caption This video shows an experimental period with the play call stimuli: the perched adult male and female kea react to the playback of the play call by engaging in a tussle-chase play. Credit Raoul Schwing Usage Restrictions Credit Required. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.