This week NATURE had a segment called CRASH:  A Tale of Two Species.  It was mostly about the red knot, a small bird who migrates from Chile to the Arctic every year to lay eggs.  Their numbers have decreased by 70%!  This is due largely to the fact that they do not have enough horseshoe crab eggs to feed on when they arrive on the MD, Delaware and Jersey coast line in May.  The horseshoe crabs have also been in decline, due largely to—drum roll please—you guessed it—MAN!  While the plight of the red knot is intriguing and disturbing, we found a lot of things about horseshoe crabs to be most interesting.  Here are some things we learned—and sights we have explored!