Kayan language (Borneo)
Kayan (Kajan, Kayan proper) is a dialect cluster spoken by the Kayan people of Borneo. It is a cluster of closely related dialects with limited mutual intelligibility, and is itself part of the Kayan-Murik group of Austronesian languages.

Baram Kayan is a local trade language. Bahau is part of the dialect cluster, but is not ethnically Kayan.

Internal classification
Glottolog v4.8 classifies the Kayan dialect cluster as follows:

Phonology 
The following is based on the Baram dialect:

Consonants 

  can be heard as either a tap  or a trill  in free variation.
  can be heard as  when in free fluctuation with [k] in word-medial position.
  can be realized as more fronted  when preceding high vocoids.
  may also be heard as a palatalized stop  in free fluctuation.
  may also be heard as  in free variation, and may also fluctuate to a stop sound .

Vowels 

 Length [Vː] is said to occur in free variation or in word-final position.
  can be heard as  in initial or medial positions, or in free variation with .
  can also be heard as  in word-medial position.
  can be heard as  before a medial or final  or .
  can be heard as  when before a  or , or in fluctuation with .

External links

Languages of Malaysia
Languages of Indonesia
Kayan–Murik languages