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:
Catesby Natural History of Carolina plate Timber Rattlesnake. Timber Rattlesnake Crotalus horridus Bosratelslang Crotalus horridus WaldKlapperschlange Crotalus horridus Crotale des bois Crotalus horridus Scan from copy in Missouri Botanical Garden Library Mark Catesby PDold Courtesy of Missouri Botanical Gardens Library botanicus