- Language: Tundra Yukagir
- Alternate names: Northern Yukagir, Vadul Yukaghir, cеверноюкагирский язык, вадульский юкагирский язык, pohjoisjukagiirin kieli, Вадун аруу
- Language code: ykg
- Language family: Yukaghir (SIL classification)
- Number of speakers: <50
- Vulnerability: Endangered
- Script: Cyrillic script.
In 19th century their territory shrank due to merging clans, military clashes, assimilation with the Even, and later, collectivization. From 1950s–1980s the state sent children to boarding school. Ethnic autonym: Odul. Christian, traditional religion.
The genetically isolated Yukaghir language has been regarded as one of the Paleo-Asiatic languages. It has been hypothesized that the Yukaghir language is related to the Uralic languages. (The Red Book of the Peoples of the Russian Empire)