White-backed Mousebird (Colius colius) [XC346728]
by Peter Boesman from Spitzkoppe, Namibia (call)
White-backed Mousebird (Colius colius) [XC839573]
by Peter Boesman from Westonaria Local Municipality (near Westonaria), West Rand District Municipality, Gauteng, South Africa (alarm call)
Subspecies
Subspecies intergrade, and are often merged.
The following 2 subspecies are recognised:
damarensis Reichenow, 1899 - Namibia and parts of southern Botswana south to north-western Cape Province and western Transvaal.
colius (Linnaeus, 1766) - Cape Province and western Orange Free State east to western Lesotho.