Ornithological associations
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C.O.M.
World Ornithological Commission -
U.O.F.
Site of the Ornithological Union of France -
F.F.O.
Website of the French Ornithological Federation -
C.N.J.F.
National Commission of Judges of France -
A.O.B.
Ornithological Association of Belgium -
K.B.O.F.
Royal Belgian Ornithological Federation -
F.O.I.
Ornithological Federation of Italy -
F.O.A.
Ornithological Federation of Argentina