Add Yahoo as a preferred source to see more of our stories on Google. Mountain chickadees are unusual in having more complex calls than songs. Vladimir Pravosudov I approach a flock of mountain ...

Chickadees, those adorable bandit-masked visitors to bird feeders, are among the most familiar and beloved backyard birds in North America. They’re so good at spotting and scolding predators that ...

Members of the Pravosudov lab catch and release resident chickadees to attach identifying bands that allow the researchers to track individual birds.(Sofia Haley) I spend my days out at our field site ...