Researchers reveal acoustic complexity of chickadee songs

Songbirds join humans in the select few animal groups that are "vocal learners"—that is, they must learn from adults of their own species to develop a normal ability to speak (or sing, as the case may be). Because the brain ...

What sounds make us feel safe in public?

Rationally speaking, most people know that random, violent crime is rare. But that doesn't keep them from getting the creeps when they walk through a parking structure or other public place that's not well-lit or crowded.

Scientists expect evolutionary changes from loud, bright world

Humans take for granted the noise and lights associated with cities and other developments across the landscape.  For other creatures, these noisy and bright conditions lead to changes in behavior and activity such as the ...

Male Java sparrows may 'drum' to their songs

Male Java sparrows may coordinate their bill-clicking sounds with the notes of their song, according to a study published May 20, 2015 in the open-access journal PLOS ONE by Masayo Soma and Chihiro Mori from Hokkaido University, ...

Neighboring birds sing 'out of tune'

Great tits living next to each other may sing their songs at significantly different rates, more or less frequently, as compared to non-neighboring birds, according to a study published February 18, 2015 in the open-access ...

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