Kunstkamera, 2020. The study is based on the author's fi eld research conducted in 2002–2018. The research area has been limited to the Surgut Ob Region, including the western and central parts of the Eastern Khanty territories in the Middle Ob Region (basins of the rivers Agan, Trom-egan, Pim, Lyamin, Bolshoy Yugan and Malyi Yugan).