Watching chickadees flit through the treetops is like witnessing master acrobats at work. These adorable birds duck and dodge ...

Black-capped and mountain chickadees are closely-related species that co-occur in Boulder County but occupy different habitats based on elevation. The Boulder Chickadee Study leverages an extensive ...

Mountain chickadees in Boulder have evolved a different tune to avoid getting mixed up with their cousins, according to a new study led by the University of Colorado Boulder published Oct.

Mountain chickadees in Boulder have evolved a different tune to avoid getting mixed up with their cousins, according to a new CU Boulder-led study published Oct. 9 in the Journal of Evolutionary ...

A mountain chickadee in Boulder, Colorado. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use ...