I think this is a nice frame. the inclusion of some habitat is a big plus. In the lower right corner you’ve included line (branch) that draws the viewer out of the frame. Cloning that out would be a big help.
I also think the balance between the light on the frog and the background could use some tweaks.
I wrote an article for NPN titled “Including the Environment - Context Matters” Here’s the link
I worked a bit on the image to see about the light balance and details on the frog. It also removes the branch. Here’s the result:
