A Yellow-headed Calico Snake (Oxyrhopus formosus) on a thin branch, as seen from directly below, in the Amazon basin in Peru.

- Image ID: DY5H3B
A Yellow-headed Calico Snake (Oxyrhopus formosus) on a thin branch, as seen from directly below, in the Amazon basin in Peru.
John Sullivan / Alamy Stock Photo
Image ID: DY5H3B
Location: Departmento Loreto, Peru, Amazonia