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Keywords from Image Description:
Naumann I. . fm ' ' VT tn Natrl Grsse eiclp Erithacus luscinia Nachtigall Erithacus philomela Bechst Sprosser Erithacus rubeculus EotkeMchen Erithacus cjaneculus Wolf Weisssterniges Blaukehlchen Erithacus suecicus Eot sterniges Blaukehlchen Saxicola stapazina Schwarzkehliger Steinschmtzer Saxicola aurita