Was walking my gear back along the shallows of Rye Beach on Sunday and came across this fella snaking his way across the sand:

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My camera is tied to my PFD and have to put my face near the water to take this vid.... and was about a foot from him as he was cruising around and followed him a little, but didn't want to anoy him, so the video is a bit frustrating to watch.....

Anyone know what he is?