Ornithologist's Nightmare in Idaho/GIA song

I have been listening to the song "Idaho" by Gregory Alan Isakov. Great musician with a confusing and hard name to remember.  His lyrics are brilliant:




When I was typing in "Idaho" this article caught my ornithological eye...

The video is graphic if you are bothered by images of a bunch of dead birds.  Avian Cholera is suspected but all I can think of is the fact that this must have scared the people near the place where this tragedy happened.