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:
Sylvia curruca communis borin. Sylvia curruca up Sylvia communis middle and Sylvia borin bottom Source biologie unihamburg de htm aus NAUMANN NATURGESCHICHTE DER VGEL MITTELEUROPAS Band II Tafel Gera digitale Bearbeitung Peter Sengbusch bonline botanik unihamburg de NAUMANN Sylvia curruca in art Sylvia communis Sylvia borin