Orange-backed Woodpecker (Reinwardtipicus validus) [XC86974]
by Frank Lambert from Ulu Segama, Sabah, Borneo, Malaysia (call)
Orange-backed Woodpecker (Reinwardtipicus validus) [XC22645]
by Martjan Lammertink from Matan, West Kalimantan, Borneo, Indonesia (call, calls, hammering)
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.