The relationship of the Yukaghir languages with other language families is uncertain, though it has been suggested that they are distantly related to the Uralic languages, thus forming the putative Uralic-Yukaghir language family [REF].
Tundra and Kolyma Yukaghir are the only two remnants of what used to be one of the dominant languages/language families of northeastern Siberia, spreading from the River Anadyr in the east to the River Lena in the west [REF].