Yellow-vented bulbul (Pycnonotus goiavier) at the Audubon Zoo.
Grey-bellied bulbul (Pycnonotus cyaniventris cyaniventris) at Penang Bird Park.
Yellow-bellied bulbul (Alophoixus phaeocephalus phaeocephalus) at Penang Bird Park.
Black-crested bulbul (Pycnonotus flaviventris caecilii) at Penang Bird Park.
Black bulbul (Hypsipetes leucocephalus) at the Plzen Zoo in the Czech Republic.
White eared bulbul (Pycnonotus leucotis mesopotamia) at the Plzen Zoo in the Czech Republic.
Black-headed bulbul (Pycnonotus atriceps) at the Plzen Zoo in the Czech Republic.
Red-whiskered bulbul (Pycnonotus jocosus jocosus) at the Plzen Zoo in the Czech Republic.
Common bulbuls (Pycnonotus tricolor) in Gorongosa National Park in Mozambique, Africa.
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