Orange-spotted Bulbul - Gunung Gede MG 4344 (29364144760).jpg
Pycnonotus bimaculatus distribution map.png
The IUCN Red List of Threatened Species 2021.3
Taxonomy database of the U.S. National Center for Biotechnology Information
Global Biodiversity Information Facility
Interim Register of Marine and Nonmarine Genera
Open Tree of Life reference taxonomy version 3.6
Clements Checklist of Birds of the World