Doolboong (also Tulpung or Duulngari) is an

extinct Extinction is the termination of an organism by the death of its Endling, last member. A taxon may become Functional extinction, functionally extinct before the death of its last member if it loses the capacity to Reproduction, reproduce and ...

Australian Aboriginal language The Indigenous languages of Australia number in the hundreds, the precise number being quite uncertain, although there is a range of estimates from a minimum of around 250 (using the technical definition of 'language' as non-mutually intellig ...

formerly spoken by the Doolboong on the coast of the

Cambridge Gulf Cambridge Gulf is a gulf on the north coast of the Kimberley region of Western Australia. Many rivers flow into the gulf, including the Ord River, Pentecost River, Durack River, King River and the Forrest River, making the environment a ...

in the

Northern Territory The Northern Territory (abbreviated as NT; known formally as the Northern Territory of Australia and informally as the Territory) is an states and territories of Australia, Australian internal territory in the central and central-northern regi ...

. There are no longer any speakers of Doolboong, and no written records of it exist. However, speakers of the nearby Gajirrabeng and Miriwoong languages say it was similar to Gajirrabeng. This would place it in the Jarrakan family; however, it may instead belong to the neighbouring Worrorran family.

References

{{reflist Jarrakan languages Extinct languages of the Northern Territory