The most widespread, numerous, and geographically variable chickadee, this bird brightens winter days ... Although the mountain chickadee is the black-capped’s closest relative, the Carolina ...

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 ...

One look at the photo, and I instantly understood both the observer's confusion and the mystery bird's identity. It turned out to be a black-capped chickadee with a condition known as “leucism” ...