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Keywords from Image Description:
NovitatesZoologicae Pl. Falcinellus astrapioides Rothsch Gmelin Hermann en Astrapian Sicklebill Riflebird Arfak Astrapia Black Sicklebill male Novitates Zoologicae archive org Volume Plate Walter Rothschild Ernst Hartert Jordan editors PDold Novitates Zoologicae volume illustrations of birds Aves hybrids Unidentified