What's Killing the Damn Birds and Fish in Arkansas?!

Movie still from Alfred Hitchcock's "The Birds."

Thousands of red winged black birds and many thousands of fish have recently turned up dead in Arkansas, with no apparent explanation.The birds were falling dead all over the city of Beebe, AR on New Year's Eve, and just a few days later, tens of thousands of dead drum fish were washing up on the shores of the Arkansas River in Ozark. These towns are less than 150 miles apart. (And the town where I live is between them.)
  Autopsies on some of the birds indicate death from internal bleeding from "blunt force trauma." There have not been any autopsy results released on the dead fish yet.

   I can tell you I'll be drinking bottled water for a while!