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. 2021 Mar 17;8(3):202073. doi: 10.1098/rsos.202073

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© 2021 The Authors.

Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 4. — Vocal exchanges during cooperative tasks. Spectrograms showing examples of vocal exchanges for the male dyad (sampling rate: 96 kHz, FFT length: 1024). Acoustic localization was used to identify which member of the dyad produced each whistle. The caller (Delta or Reese) is noted below each whistle and the success sound is identified. Amplitude intensity (dB) shown in the colour bar next to each figure.