Data and code used for the manuscript "A limit to sustained performance constrains trill length in birdsong"

Four data set are presented in this study:behavioral.response.playback: includes the raw data for the playback experiment regarding the approach behaviour of male territorial blue tits in response to playback stimulationvocal.response.playback: includes the raw data for the playback experiment regarding the vocal behaviour of male territorial blue tits in response to playback stimulationmulti-species.trill.data: measures of all three vocal performance variables for each individual in our sample, including 597 different species