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Keywords from Image Description:
BarbatulaSmit. Barbatula chrysopyga Pogoniulus subsulphureus Yellowthroated Tinkerbird and Barbatula bilineata Pogoniulus bilineatus Yellowrumped Tinkerbird Catalogue of the Birds in the British Museum Volume Creator John Gerrard Keulemans File Pogoniulus bilineatus Keulemans File Pogoniulus subsulphureus Keulemans PDold Catalogue