Within individual (rendition) and between individual variation in phrase and song variables.

For each feature the number of bats analyzed, the overall range in values (range), variance component estimates (VCE) that describe the proportion of variation attributable to region, bat, and renditions within bats, the overall coefficient of variation (Total CV), and the range in the coefficients of variation across bats (CV Range).1number of chirp A syllables per B syllable.2songs without trills or buzzes excluded.