High Quality Content by WIKIPEDIA articles Urub Sign Language (also known as Urub -Kaapor or Kaapor Sign Language) is a sign language used by the small community of Ka'apor people in the state of Maranh o. Linguist Jim Kakumasu observed in 1968 that the number of deaf people in the community was 7 out of a population of 500. This relatively high ratio of deafness (1 in 75) has led to both hearing and deaf members of the community using the language, and most hearing children grow up bilingual in the spoken and signed languages. Other Indian tribes in the region have also been reported to use sign languages.
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