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Fig. 5 | BMC Evolutionary Biology

Fig. 5

From: Intrasexual selection drives sensitivity to pitch, formants and duration in the competitive calls of fallow bucks

Fig. 5

Spectrograms and oscillograms of a single groan and its modified variants from one individual. The natural groan was modified to produce the four variants. Five unique playback series were constructed for each of the ten experimental subjects. Playback series consisted of natural or modified groans repeated to represent a groaning bout. F 4 indicates the fourth formant of the groan

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