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:
Beytraege zur Naturgeschichte Plate IV . Beytraege zur Naturgeschichte von Blasius Merrem Plate IV Illustration biodiversitylibrary org title Merrem Blasius Biodiversity Heritage Library Beytraege zur Naturgeschichte Amphibians Germany Snakes Harvard University MCZ Ernst Mayr Library bhl page dc identifier org Taxonomy