#feather__plume__plumage  the light horny waterproof structure forming the external covering of birds
  supertype:  #body_covering  #animal_material
  subtype:  #down_feather  #aftershaft  #contour_feather  #bastard_wing  #marabou  #hackle  #flight_feather  #scapular
  part:  #vane  #quill.rib
  substance:  #keratin  #melanin
  part of:  #bird  warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings

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