Black-capped White-eye (Zosterops atricapilla) [XC241621]
by Mike Nelson from Mount Kerinci, West Sumatra, Sumatra, Indonesia (call, song)
Black-capped White-eye (Zosterops atricapilla) [XC409647]
by Frank Lambert from Mount Kerinci, West Sumatra, Sumatra, Indonesia (call)
Subspecies
Closely related to Everett's White-eye (Zosterops everetti). An old species that must formerly have been more widespread in Borneo, as latter population not even racially distinct from that in southern Sumatra. Reasons for species' limited and patchy distribution not known.
The following 2 subspecies are recognised:
viridicatus Chasen, 1941 - Northern Sumatra (Leuser Mts, in Aceh; region of Berastagi, in Sumatera Utara).
atricapilla Salvadori, 1879 - Central and southern Sumatra; north, north-eastern and south-eastern Borneo (Mt Kinabalu, Mt Mulu, Batu Patap, Ulu Sabai, Tutoh; upper Kayan region; Meratus Mts).
Similar Species
Oriental White-eye (Zosterops palpebrosus) which lacks black on the face, has darker upperparts and paler grey underparts, with narrower, longer yellow ventral stripe.
References
See References.