Orange-backed Woodpecker (Reinwardtipicus validus) [XC40423]
by Rolf A. de By from Mount Kinabalu, Sabah, Borneo, Malaysia (song)
Orange-backed Woodpecker (Reinwardtipicus validus) [XC166696]
by Ding Li Yong from Danum Valley Field Centre, Danum Valley, Sabah, Borneo, Malaysia (call)
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.