This is the darker subspecies, and the more southerly of the two Rana clamitans, but are otherwise very similar, and this one spends a lot of time on land, often far from water, but usually not far from tall grass or other thick low vegetation. These were taken in St. Augustine, Florida.
Rana clamitans clamitans
Click HERE for a short Hi-Res video of Rana c. clamitans. For Dial-Up users, try THIS link.