Rana chiricahuensis
This was custom ordered retirement present for the person who was working on Chiricuahua Leopard Frog conservation in Arizona, as part of the Arizona Game and Fish agency. I was provided with photos of Department's field work, and you can see the result. Whole item is one piece of poplar wood, and these are the steps:
Staining maintain visible wood grain and some carving adds up impression of live scene.