Francisco Piedrahita:
Red-whiskered Bulbul (Pycnonotus jocosus)
Francisco Piedrahita:
Red-whiskered Bulbul (Pycnonotus jocosus)
Francisco Piedrahita:
Red-whiskered Bulbul (Pycnonotus jocosus)
Francisco Piedrahita:
Red-vented Bulbul (Pycnonotus cafer)
Francisco Piedrahita:
Red-vented Bulbul (Pycnonotus cafer)
Francisco Piedrahita:
White-eared Bulbul (Pycnonotus leucotis)
Francisco Piedrahita:
White-eared Bulbul (Pycnonotus leucotis)
Francisco Piedrahita:
Flame-throated Bulbul (Pycnonotus melanicterus gularis) (Pycnonotus gularis)
Francisco Piedrahita:
Flame-throated Bulbul (Rubigula gularis) (Pycnonotus melanicterus gularis) (Pycnonotus gularis)
Francisco Piedrahita:
White-browed Bulbul (Pycnonotus luteolus)
Francisco Piedrahita:
Yellow-browed Bulbul (Iole indica) (Acritillas indica)
Francisco Piedrahita:
Square-tailed Bulbul, Black Bulbul (Hypsipetes ganeesa) (Hypsipetes leucocephalus ganeesa)