This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
NettionKeulemans. Nettion albigulare Anas albogularis Andaman Teal in front and Nettion gibberifrons Anas gibberifrons Sunda Teal behind Catalogue of the Birds in the British Museum Volume Creator John Gerrard Keulemans PDold John Gerrard Keulemans Catalogue of the Birds in the British Museum Anas albogularis illustrations Anas