Black-winged Bishop, Sakania, DR Congo (5891715708).jpg
Black-winged Red Bishop, female, Gambia (12482263044).jpg
Euplectes hordeaceus distribution map.png
An annotated checklist of the birds of Burkina Faso
Global Biodiversity Information Facility
The IUCN Red List of Threatened Species 2021.3
Taxonomy database of the U.S. National Center for Biotechnology Information
Interim Register of Marine and Nonmarine Genera
Open Tree of Life reference taxonomy version 3.6
Clements Checklist of Birds of the World