Flecks

Flecks are small fragments of magnetic iron which can interfere with the navigational system of birds (which rely on iron to create a mental compass). They are objects used in the Guardians of Ga'Hoole book series and the 2010 film adaptation.

Characteristics
In appearance, the flecks are said to be small iron fragments; whereas in the movie, they're shown to appear as bluish crystals.

History
TBA

Trivia

 * In the movie, flecks can be found in the pellets of other owls when picked out.