IUCN threat status:

Data Deficient (DD)

Distribution

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Range Description

Pycnonotus nieuwenhuisii is known from north-east Kalimantan (one specimen collected at 600 m in 1900) and Sumatra (one specimen collected at 700 m in 1937), Indonesia, and Brunei, where single birds were seen on five occasions in 1992 in Batu Apoi National Park (Collar et al. 1994). It is unusual for a species of bulbul to be widespread but to occur at such low densities, so this form may represent an extremely rare morph of another species or else hybrids, although it could be a genuinely rare habitat specialist that is occasionally forced to search other areas for food (Williams 2002).

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Source: IUCN

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