The Bullroarer Atlas

EA-TW-AMIS-001 - ethnographic attestation

Amis bnbn toy and bird-scarer bullroarer

Taiwan - Ciwidiyan - Shuilian, Shoufeng Township, Hualien - East Asia

Play / practical

Cheng's photograph of the Tsou euvuvu.
Representative — not this record’s object. · Cheng's photograph of the Tsou euvuvu. Image source

bnbn English

Source term: Bnbn (bullroarer)

bnbn — Amis name for the bullroarer, apparently onomatopoeic

Etymology. Cheng treats the Amis form as onomatopoeic. (medium confidence)

Among the Amis of eastern Taiwan the bullroarer is called bnbn, a name the ethnomusicologist Lancini Jen-hao Cheng records as apparently onomatopoeic. At Ciwidiyan — Shuilian village on the Hualien coast — it was a childhood toy and a crop-guard, swung to scare birds off the ripening fields. When Cheng visited, the sub-tribe's chieftain De-rang Sung, a primary-school teacher, was making bnbn with his pupils so the plaything would pass down: bamboo sawn and shaved to a slender oval, a hole drilled at the top, a cotton string tied through.

The bullroarer is also a previously undocumented instrument and bnbn, is the indigenous name given to it in Amis society, a term that seems to be onomatopoeic. The bnbn functioned as a toy or to scare birds in order to help protect arable crops.

Cheng, "Native Terminology and Classification of Taiwanese Musical Instruments," Ensayos 19(28), 2015, sec. 1.13
Object
Cheng identifies bnbn as the Amis indigenous name for a bullroarer and says the term appears onomatopoeic. The IEAS museum specimen is a slender oval bamboo slice, c. 17.5 x 2.5 cm, with one terminal hole and cotton string.
Function
Children's toy or bird-scarer used to protect arable crops.
Map confidence
medium - Shuilian village (Ciwidiyan), Shoufeng, Hualien — the sub-tribe named in Cheng's thesis; refined 2026-07-18 from the earlier regional anchor.
Source location
Page references

section 1.13, printed p. 78; conclusion | thesis §6.1.13, printed pp. 340-343

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