The Collared Treepie stands out for its black face, long tail, chestnut body, and silvery-grey chest and neck. It searches for food in humid hill forests with bamboo.
The forehead, face, and bib are black. The neck, chest, and shoulders are silvery grey, while the back and underparts are chestnut. The long tail is black, and the wings include white areas.
It uses humid evergreen foothill forest up to 2,100 m and prefers extensive bamboo. It eats invertebrates and their larvae, as well as lizards, small rodents, eggs and nestlings, seeds, and berries.
An extinction-risk assessment has not been added yet.