Parents in many animal species care for their offspring. In some species, males care more; in other species, females care more; in still other species, the contribution of the sexes is equal. However,
Music maintains a characteristic balance between repetition and novelty. Here, we report a similar balance in singing performances of free-living Australian pied butcherbirds. Their songs include many
Behavioural data and R code to reproduce analyses of the paper "Differences in plumage coloration predict female but not male territorial responses in three antbird sister species pairs" pub