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. 2006 Nov 28;274(1609):479–488. doi: 10.1098/rspb.2006.3744

Figure 4.

Figure 4

Time spent answer calling (courtship call, dark bars) and chirping (aggressive call, light bars) by male Xenopus laevis during playbacks of non-modified calls and modified female calls (time in seconds normalized by the number of stimulus presentations).