A global community of nature enthusiasts
photographing and learning about wildlife
Adults of both sexes have a black cap joining a black postocular stripe behind distinctive white eyebrows. Their backs and flanks are gray and they have paler gray underparts; they have a short black bill, and a black bib. The typical adult wingspan is 7.5 in (19 cm), and the overall length is 5–6 in (13–15 cm). Mountain chickadees are known colloquially as cheeseburger birds, as their call sounds like they are saying "cheese-bur-ger."
Common inhabitants of the mountainous regions of the western United States, their range extends from the southern Yukon to California and Rocky Mountain States in the United States. Tuolumne Meadows, Yosemite NP, CA.