Why Make Complex Acoustic Signals that Attract Predators? The Dynamics of Túngara Frog Signal Complexity
Friday, February 13, 2009 4:00 p.m., ETC 4.120 Karin L. Akre and Professor Michael J. Ryan Section of Integrative Biology The University of Texas at Austin http://www.biosci.utexas.edu/ib Female túngara frogs (Physalaemus pustulosus) use male acoustic signals to make mate choice decisions. Males produce advertisement calls of variable complexity. They produce frequency-modulated vocalizations, called whines, and…