Purple-naped Sunbird (Kurochkinegramma hypogrammicum) [XC397606]
by Greg Irving from Rainforest Discovery Centre, Sandakan, Sabah, Malaysia (call)
Purple-naped Sunbird (Kurochkinegramma hypogrammicum) [XC98520]
by Frank Lambert from Seima Biodiversity Conservation Area - ONP Trail, Cambodia (call, calls male)
Subspecies
No obvious close relatives. Tongue morphology unique within family, on which grounds this species may even merit placement in its own subfamily.
The following 5 subspecies are recognised:
lisettae (Delacour, 1926) - Northern Myanmar, southern China (south-western Yunnan), northern Thailand and northern and central Indochina.
nuchale (Blyth, 1843) - Southern Myanmar, southern Thailand and Peninsular Malaysia.
mariae (Deignan, 1943) - Southern Indochina, including eastern Cambodia.
natunense (Chasen, 1935) - Northern Natuna Is.
hypogrammicum (Müller, S, 1843) - Sumatra and Borneo.