Contact: Morgan Kelly
Caption: This file is of the sine portion of the male fruit fly's song. The researchers found that, in general, males sang loudly -- or produced more pulses -- when females were farther away and moving quickly. Upon catching up to a female, males shifted to a song with more of the quieter sines. Most importantly, the researchers found that the neural circuits that guide the male's movement also determine the pattern -- the composition of pulses versus sines -- of his song.
Credit: Video and audio files courtesy of Philip Coen, Princeton Neuroscience Institute
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Related news release: What singing fruit flies can tell us about quick decisions