Orange-backed Woodpecker (Reinwardtipicus validus) [XC166696]
by Ding Li Yong from Danum Valley Field Centre, Danum Valley, Sabah, Borneo, Malaysia (call)
Orange-backed Woodpecker (Reinwardtipicus validus) [XC22648]
by Frank Lambert from Sukadana, Gunung Peramas, West Kalimantan, Borneo, Indonesia (drumming)
Subspecies
Subspecies weakly differentiated, with much overlap in features.
The following 2 subspecies are recognised:
xanthopygius (Finsch, 1905) - Extreme southern Thailand south to Sumatra and Borneo, including Riau Archipelago, Bangka I and northern Natuna Is.