Song: Calls are higher pitched, weaker and scratchier than other "chick-a-dee" calls: "tsidi-tsidi-tsidi-cheer-cheer" or "tsity ti jee jee". Lacks a whistled song typical of other chickadee species.
Sound: John Neville (Bird Songs of Canada's West Coast); Canada, British Columbia; Port Renfrew; Adult; Male; Primary Sound;