Those are Maryland Terrapins! ;-) Great pictures, Zen.

The last couple weeks or so, I've been seeing a trio of kits (fox babies), playing and exploring, during my predawn rides. Last year in exactly the same spot, there was another bunch of fox babies. Also have been spotting small fawn with their mommies and a few baby bunnies. A couple of the fawns have been so small that I thought they were dogs at first!