Mountain chickadees follow systematic grammarlike rules to share important information, stringing together syllables like words in a sentence.

A chickadee repeatedly visiting the same spot on a tree or stump, removing tiny wood chips and flying away to discard them. Unlike woodpeckers, chickadees make almost no sound during this process.

Chances are, the melodious namesake call of the black-capped chickadee has brightened your mood while walking, shoveling snow or pulling weeds: chickadee-dee-dee.

Q: One winter we had an amazingly well-built cardinal nest in a shrub outside our kitchen window. It held together as snow built up inside the bowl, and we often saw chickadees “bathing” in ...

The final round of voting for Edmonton's City Bird is now open. The boreal chickadee, blue jay, and black-billed magpie are the three species flying for your vote to be Edmonton's avian representative ...

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 ...

While there is no denying 'survival of the fittest' still reigns supreme in the animal kingdom, a new study shows being smartest—or at least smarter—is pretty important, too.

The flying pieces of tiny fluff add action to the tableau, and the photo even contains a surprise: Zooming in you can see a tiny caterpillar in the chickadee’s bill.

Between 2018 and 2022, at least 435 birds of 56 species were killed by flying into windows; these included a hefty number of Mourning Doves, White-Throated Sparrows, and Black-Spotted Chickadees.

Chickadees Use Brain-Cell ‘Barcodes’ to Remember Where They Stashed Their Snacks Unique patterns of neuron activation help tiny birds catalog thousands of scattered food caches ...

Bird populations have seen major decline over the past 50 years, many due to building collisions. The Yale Bird-Friendly Building Initiative is combatting it.