Purple-naped Sunbird (Kurochkinegramma hypogrammicum) [XC520484]
by Matt Slaymaker from nr. Lesan Protection Forest, Kabupaten Berau, Kalimantan Timur, Malaysia (song)
Purple-naped Sunbird (Kurochkinegramma hypogrammicum) [XC563236]
by Bram Piot from Na Hin (forest road east of village), Khammouane, Laos (song)
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.