#genus_Corvus__Corvus  type genus of the Corvidae: crows and ravens
  supertype:  #bird_genus  a genus of birds
  member of:  #family_Corvidae
  member:  #crow  black birds having a raucous call
  member:  #raven__Corvus_corax  large black bird with a straight bill and long wedge-shaped tail
  member:  #Corvus_frugilegus__rook  common gregarious Old World bird about the size and color of the American crow
  member:  #jackdaw__daw__Corvus_monedula  common black-and-gray Eurasian bird noted for thievery

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