The Carolina chickadee’s geographic range overlaps the black-capped. Listen and look for differences. Its chick-a-dee-dee call is higher and faster than the black-capped. Also, its white cheek ...

Other birds, of course, are singing in March, for example, the American robin, but it seems they are more often vocal at dawn ...

And there’s more. The black-capped chickadee’s uplifting call? It’s loaded with information. “Chick-a-dee-dee” conveys that, hey, all is good to its flock mates. But the message ...

The four Twirlywoos - Great Big Hoo, Toodle-oo, Chickadee and Chick - have adventures both in the real world, and in their boat. They learn about a new concept each episode. Shy Peekaboo also ...

The most widespread, numerous, and geographically variable chickadee, this bird brightens winter days at bird feeders and eagerly takes advantage of nest boxes. It is curious, with little or no ...

A gardener’s attempt to create a low-maintenance space backfires when bird netting disrupts nature’s balance, leading to an ...

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 ...