text: in: Beasts, Birds, Creatures from Europe,
  Speckled blue[1]
  Screamed every sound it heard backwards when it died[1]
  Insect based diet[1]
  The Jobberknoll was a small, magical, blue speckled bird.[1]
  A blue Jobberknoll feather
  The Jobberknoll never made any noise until the moment before it dies. It would then release a long scream, which consisted of every sound it ever heard backwards. It lived in northern Europe and North America and fed mainly on small insects.[1] Jobberknoll feathers were used as potion ingredients in Truth serums and Memory Potions.[1]
  The description of the Jobberknoll that it repeats everything it has ever heard before it dies is perhaps a reference to the old myth that Swans were supposed to sing a beautiful melody at the moment of their deaths, hence, "swan song".