Dark-capped Bulbul (Pycnonotus tricolor) [XC443090]
by Louis A. Hansen from Research Flats on campus, University of Dar es salaam, Tanzania (call, song)
Dark-capped Bulbul (Pycnonotus tricolor) [XC634535]
by Lynette Rudman from Makana Local Municipality (near Glen Ambrose), Western District, Eastern Cape, South Africa (song)
Subspecies
Not recognised as a species by BirdLife International. Garden Bulbul (Pycnonotus barbatus), Somali Bulbul (Pycnonotus somaliensis), Dodson's Bulbul (Pycnonotus dodsoni) and Dark-capped Bulbul (Pycnonotus tricolor) (Sibley and Monroe 1990, 1993) have been lumped into Pycnonotus barbatus following Dowsett and Forbes-Watson (1993).
Considered by some authors to be a subspecies of Garden Bulbul (Pycnonotus barbatus).
The following 3 subspecies are recognised:
spurius Reichenow, 1905 - Southern Ethiopia (southern Bale south to northern Sidamo-Borama). Considered by some authors to be a subspecies of Garden Bulbul (Pycnonotus barbatus).
layardi Gurney Sr, 1879 - South-eastern Kenya (Taveta) and eastern Tanzania (including Zanzibar) south to eastern and southern Zambia, north-eastern Botswana and eastern South Africa. Considered by some authors to be a subspecies of Garden Bulbul (Pycnonotus barbatus).
tricolor (Hartlaub, 1862) - Central, eastern, south-eastern. Considered by some authors to be a subspecies of Garden Bulbul (Pycnonotus barbatus).