Frog call (AUDIO)

University of Copenhagen - Faculty of Science

Caption

The otherworldly calls of these frogs are known as "advertisement calls"—a type of self-promotion that, according to the researchers, may convey information about the male frog’s suitability as a mate to females. This particular group live along fast-flowing streams in the most mountainous regions of Madagascar—a loud background that may explain why the frogs call at such high pitches.

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Mark D. Scherz

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