Both sexes of adult Western Screech-Owls (Otus kennicottii) sing in response to playback of conspecific song within their territories. Two primary songs are the bounce and double trill. Using ...
New research from the University of Oxford has provided fresh insights into how bird songs evolve over time. The analysis is based on over 100,000 songs. SHAPIRO: ...The familiar songs of birds. But ...
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