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:
Nachtigall. Nachtigall Luscinia megarhynchos Naumann Naturgeschichte der Vgel Mitteleuropas Band Tafel Gera Lschen Aktuell Aug Franz Xaver Byte Public Domain biologie unihamburg de htm zugeschnitten etwas aufgehellt Reste vom Sprosser luscinia wegretuschiert NAUMANN Luscinia megarhynchos illustrations Birds facing left