Salt marsh near Boatmeadow Creek in Eastham, with Cape Cod Bay in the background
Juvenile Mud Fiddler Crab (Uca pugnax)
Egg shells of a Diamondback Terrapin (Malaclemys terrapin)
Hundreds of small, silvery fish at the upper edge of the marsh. Perhaps they were stranded by the high tide?
Here's a close-up:
My best guess on the identity of this fish is a juvenile Menhaden (Brevoortia tyrannus) — growing up, we called them Pogies. If you can confirm, or have a different guess, let me know.
I didn't get any pictures, but we also had nice views of terns, jaegers, shearwaters, and Gray Seals off Lecount Hollow Beach in Wellfleet.
Not too bad for a stormy September day!