Chickadees replace 30 percent of their old neurons to make room for new memories in their hippocampus. The expansion of the hippocampus is one of the most impressive aspects of any bird. Seasonal ...

Chickadees are plump, sparrow-sized birds with tiny beaks. Mountain chickadees are a bit larger and stockier than the black-capped chickadee. Both species have a black cap and throat with a white ...

A black-capped chickadee by any other name is a Poecile atricapillus. That’s the bird’s scientific name, the reference used worldwide to avoid the confusion a list of local names could offer. For ...

Hybrids of two common North American songbirds, the black-capped and mountain chickadee, are more likely to be found in places where humans have altered the landscape in some way, finds new CU Boulder ...

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 ...

Last week, a reader named Joy emailed me a photo of a bird that she couldn’t quite identify. One look at the photo, and I instantly understood both the observer's confusion and the mystery bird's ...

Last Thursday morning it was pleasant and cool on the porch as I drank my morning coffee and watched two ruby-throated hummingbirds spar. It was a nice break from the hot, humid day before, although ...

Each morning, after making coffee, my wife and I fill the distinctive, barn-red bird feeder that hangs down between our back deck and Illinois Mountain. As we fill the feeder, we whistle to signal to ...

Each morning, after making coffee, my wife and I fill the distinctive, barn-red bird feeder that hangs down between our back deck and Illinois Mountain. As we fill the feeder, we whistle to signal to ...