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Keywords from Image Description:
FalcoRubricollisWolf. Falco rubricollis sic Accipiter erythrauchen ceramensis Schlegel Rufousnecked Sparrowhawk adult right and immature left Proceedings of the Zoological Society of London archive org vol archive org page plate IV published Joseph Wolf pdold Accipiter erythrauchen Bird illustrations by Joseph Wolf PZSL