[citation needed] The call is a sharp pit,[4] and the song is a mixture of slurred whistles, warbles and trills.

[5] The collared whitestart feeds on insects,[citation needed] frequently fanning its striking tail as it pursues its prey.

[7] The roofed nest has a round side entrance and is built on the ground or a steep bank, hidden amongst rocks, tufts of grass or under a fallen log.

From March to May, the female will lay 2 or 3 white or cream eggs that are speckled with fine brown spots.

[7] The collared whitestart is common at heights between 1500 m and the timberline in mossy mountain forests, ravines, second growth, and adjacent pastures.