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Mentor Public Library hosts talk about birds' songs

Learn which birds spend their summers in Northeast Ohio and how to identify their songs, habitats and the ways in which they communicate during a free program at 6:30 p.m. May 14, at Mentor Public ...
NPR

Birds can change their tunes as their populations evolve, researchers find

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 ...