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Keywords from Image Description:
SaxicolaKeulemans. Saxicola pollux Cercomela schlegelii pollux Emarginata schlegelii pollux Saxicola castor Oenanthe monticola monticola biologie uniulm de pl id stufe typ ZOO lang sid extid extidname null syno no Proceedings of the Zoological Society of London archive org page web Keulemans pdold John Gerrard Keulemans PZSL