The longer legs allow for more speed on the broad tree branches.

The body streamlines and becomes more agile as it adapts to an arboreal life.

I feel like I made too much of a jump here.. I guess that's what tests are for. As his environment dries out he grows more reptilian.

Testing out an idea for a new project. Evolving a creature every day... Picturing a swamp like environment here for this guy.