Dark-capped Bulbul calling from a branch in a bush

iSimangaliso Wetland Park, St. Lucia, KwaZulu-Natal, South Africa, (August 2009)

Has many alternative names including most usually Common Bulbul

For more information on this bird species see the following links:
Common Bulbul / Internet Bird Collection
Common Bulbul / Bird Forum
Pycnonotus barbatus / IUCN Red List of Threatened Species
Common Bulbul Pycnonotus barbatus / BirdLife International