African Red-eyed Bulbul (Pycnonotus nigricans) [XC659023]
by Tony Archer from Ditsobotla Local Municipality (near Dupperspos), Ngaka Modiri Molema, North West, South Africa (call, cattle)
African Red-eyed Bulbul (Pycnonotus nigricans) [XC647977]
by Nature sounds by Simply Birding from JB Marks Local Municipality (near Potchefstroom), Southern DC, North West, South Africa (alarm call)
Subspecies
Forms superspecies with Common Bulbul (Pycnonotus barbatus), Cape Bulbul (Pycnonotus capensis), White-spectacled Bulbul (Pycnonotus xanthopygos), White-eared Bulbul (Pycnonotus leucotis) and Himalayan Bulbul (Pycnonotus leucogenys), possibly including some other species. Parapatric and locally sympatric with both Common Bulbul (Pycnonotus barbatus) and Cape Bulbul (Pycnonotus capensis), and hybridizes extensively with both in narrow transition zones along at least part of boundaries between their respective distributions. Nominate subspecies intergrades with superior over a broad front along middle R Orange and in Griqualand West (South Africa). Proposed subspecies grisescentior indistinguishable from nominate.
The following 2 subspecies are recognised:
nigricans (Vieillot, 1818) - South-western Angola, Namibia and Botswana south to northern South Africa (south to northern Cape and middle R Orange). Non-breeding extreme south-western Zambia and north-western Zimbabwe.
superior Clancey, 1959 - South Africa (North-west Province south to eastern Cape) and Lesotho.
BirdLife International Species Factsheet