Ornithological association

  • F.O.A.

    Ornithological Federation of Argentina
  • K.B.O.F.

    Royal Belgian Ornithological Federation
  • A.O.B.

    Ornithological Association of Belgium
  • U.O.F.

    Site of the Ornithological Union of France
  • F.F.O.

    Website of the French Ornithological Federation