Grey-and-buff Woodpecker (Hemicircus concretus) [XC22654]
by David Marques from Semanai, West Kalimantan, Borneo, Indonesia (call, calls (two types))
Grey-and-buff Woodpecker (Hemicircus concretus) [XC803047]
by Ding Li Yong from San Kala Khiri national park, Thailand (call)
Subspecies
Sumatra and Borneo populations named as subspecies coccometopus, but insufficiently different from sordidus to warrant separation.
The following 2 subspecies are recognised:
sordidus (Eyton, 1845) - Southern Myanmar (southern Tenasserim) and peninsular Thailand south to Sumatra (including northern Mentawai I and Bangka I), and Borneo. Considered by some authors to be a distinct species, Grey-and-buff Woodpecker (Hemicircus sordidus).
concretus (Temminck, 1821) - Western and central Java.