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:
Osteologia avium or sketch of the osteology of birds PL. . PL From luce on stone JbrJ Frzieben APTEAIGETTES PENANTII SXEIOTIlLMc Ixy anhart PL Illustration III biodiversitylibrary org title Brooks Vincent Day Son Erxleben Eyton Eyton Thomas Campbell Hanhart Michael Hanhart Hullmandel Charles Joseph Hullmandel Charles