Beginning in the fall of 2018 and continuing today, a large number of bird boxes have appeared in Boulder, near Sugarloaf Mountain and at the University of Colorado’s Mountain Research Station. The ...

For a long time, hybridization--when distinct species mate and produce offspring--was thought to be a mistake. Yet, advancements in genomic testing tools have revealed naturally occurring ...

In the hybrid zone that encompasses the Lehigh Valley in Pennsylvania, the habitats of the Carolina Chickadee and the Black-capped Chickadee converge, creating an opportunity for the different species ...

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 ...

Class is in session for a group of chickadees at their temporary quarters inside an aviary in one university’s department of biological sciences. Class is in session for a group of chickadees at their ...

There’s something special about chickadees. They’re curious (they’ll come investigate if you make a pish-pish-pish sound), they’re smart (they stash seeds to eat over the winter), and they’re so ...

Black-capped (Poecile atricapillus) and Carolina chickadees (P. carolinensis) hybridize in a narrow band that stretches from New Jersey to Kansas. Using a combination of genomic, transcriptomic, and ...

Watching chickadees flit through the treetops is like witnessing master acrobats at work. These adorable birds duck and dodge through branches as they hunt down small insects. Not only are these birds ...

I sometimes hear Georgians refer to the little black-and-white bird coming to their feeders as the black-capped chickadee. Actually, in Georgia, it would be the Carolina chickadee, one of the state’s ...

Scientists have found that hybrid chickadees have marked deficiencies in learning and memory compared to their pure species parents, a possible selective disadvantage. The study is the first to ...