What animal makes quack?

Actually the answer given is usually a duck. This is, however, wrong.The sound (Quack) is only the representation, in English, of a duck's sound. Other languages hear it differently. A examples:

• In Albanian, mak-mak
• In Cantonese, gua, gua
• In French, coin coin
• In Polish, kwa kwa kwa
• In Vietnamese, cạp cạp