Although the mountain chickadee is the black-capped’s closest relative, the Carolina chickadee likely will cause the most trouble, especially in late spring and summer when the black-capped’s ...

Rare traits, from leucism to distinctive markings, reveal the individuality and resilience of four black-capped chickadees.

There are seven different species of chickadees in the U.S. All of them have snazzy dark caps and black bibs. Black-capped ...

However, there is another creature with incredible memorization skills-black-capped chickadees. These small birds store away thousands of seeds and insects in preparation for the cold, harsh ...

Greenhouse gases are increasing at an unprecedented rate, due to natural sources and anthropogenic activities. Will these atmospheric contaminants endanger animal populations?

Black-capped chickadees are their close relatives ... evolved different beak shapes and sizes from one another to specialize in eating different types of seeds, reducing competition. In Boulder, where ...