Which prominent species, often coexisting with the racer, is described as being heavier and more robust?

Answer

Eastern Rat Snake

The Eastern Rat Snake (*Pantherophis alleghaniensis*) is mentioned as a comparison species that is generally heavier and more robust than the slender racer.

Which prominent species, often coexisting with the racer, is described as being heavier and more robust?
sizereptilelengthsnakeracer