The Black-Capped Chickadee is adorned with a black cap over its head and a black throat. Its back is gray in color, with a soft white beneath its wings and white cheeks. The wing feathers are dusted at the edges with a similar soft white. Its voice has a buzzing tone to it, quiet and subdued, in contrast with its behavior. The average mature adult will read five inches (13 centimeters)in length.