Pycnonotus

Trivial name	Latin name
Light-vented Bulbul	Pycnonotus sinensis
Common Bulbul	Pycnonotus barbatus
Black-headed Bulbul	Pycnonotus atriceps
Red-whiskered bulbul	Pycnonotus jocosus
Himalayan bulbul	Pycnonotus leucogenys
Yellow-vented Bulbul	Pycnonotus goiavier
Black-capped Bulbul	Pycnonotus melanicterus
Scaly-breasted Bulbul	Pycnonotus squamatus
Black-fronted Bulbul	Pycnonotus nigricans
White-spectacled Bulbul	Pycnonotus xanthopygos
Black-capped Bulbul	Pycnonotus flaviventris
Flavescent Bulbul	Pycnonotus flavescens

comparison of wing and tail configuration¹

¹ According to Hartmann (2000a, 2000b and 2016)