Brazilian Torrent Frogs Communicate Using Sophisticated Audio, Visual Signals (IMAGE)
Caption
<p>This image shows a mating couple of <em>Hylodes japi</em> during courtship. <p><em>Hylodes japi</em> female touching the dorsum of the conspecific male with her gular region during courtship (drawn based on images captured by video recording). Male is calling only with one vocal sac inflated, the one closest to the female (left vocal sac), also showing the visual component of his bright whitish vocal sacs. Note the female's left arm is closer to the male's head and the female's right arm is closer to his posterior body region.
Credit
de Sá et al.
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