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:
PSM Fight between secretary bird and snake. Fight between Secretarybird and cobra rchive org Popular Science Monthly Volume author PDold Extracted image from book to greyscale cropped whitespace ineuw archive org Popular Science Monthly Volume Popular Science Monthly illustrations Sagittarius serpentarius illustrations Unidentified