Pycnonotus is a genus of frugivorous passerine birds in the bulbul family Pycnonotidae.
The genus name is from Greek: puknos "thick" or "compact" and -nōtos "-backed".

1/ Red-vented bulbul (Pycnonotus cafer, Bông lau đít đỏ)
2/ Stripe-throated Bubul, or streak-throated bulbul (Bông lau họng vạch, Pycnonotus finlaysoni)
3/ Yellow-vented bulbul, or eastern yellow-vented bulbul (Bông lau mày trắng, Pycnonotus goiavier)
4/ Brown-breasted bulbul, also Anderson's Bulbul (Bông lau ngực nâu, Pycnonotus xanthorrhous) 
5/ Sooty-headed bulbul (Bông lau tai trắng, Pycnonotus aurigaster) 
6/ Irrawaddy or Streak-eared Bulbul, or Blanford's Olive Bubul (Bông lau tai vằn, Pycnonotus blanfordi)
7/ Light-vented bulbul, also called the Chinese bulbul (Bông lau Trung Quốc, Pycnonotus sinensis)
8/ Flavescent bulbul (Bông lau vàng, Pycnonotus flavescens) 
9/ Red-whiskered bulbul, or crested bulbul (Chào mào, Pycnonotus jocosus)