Lowell Dracut Tyngsborough State Park
Tandem pair landed on my wife's hand!
In slow moving portion of the brook after crossing, from sandy substrate with small rocks
another case of freshwater mussel washing up on marine beach...
mysterious. resembles a freshwater mussel, yet found on a marine beach. due to the amount of acorns and so forth (and there being a huge Marsh close by), could have been flushed out of a freshwater river into the ocean to wash up here?
My phone wouldn't focus on the right thing before it flew off, but at least it's still identifiable.