Predation. Habitat Loss.  Herbicide, Insecticide.  Climate Change.  Collisions.  Songbird population declines are severe, persistent, and pervasive.  The gradual decrease in volume of the Prairie Melody is an eerily disconcerting phenomenon.  Chirps and Trills.  Listen; Value them.  In life, there are many people, places and things to which we give little attention.  What and Who, may I ask, have you been taking for granted?