Pale-billed Hornbill (Lophoceros pallidirostris) [XC822033]
by Frank Lambert from Mfirisi, Wilaya ya Kilosa, Mkoa wa Morogoro, Tanzania (call)
Pale-billed Hornbill (Lophoceros pallidirostris) [XC298546]
by Frank Lambert from Dzalamyama, rocky ridge s of Forst Lodge, Central Region, Malawi (song)
Subspecies
Forms a superspecies with African Grey Hornbill (Lophoceros nasutus). Subspecies occasionally hybridize at western edge of Luangwa Valley, in Zambia.
The following 2 subspecies are recognised:
pallidirostris (Hartlaub & Finsch, 1870) - EC, central and north-eastern Angola, southern Zaire, and eastern Zambia (west of Luangwa Valley).
neumanni Reichenow, 1894 - Zambia (eastern from Luangwa Valley), Malawi, south-eastern Tanzania and northern Mozambique.