water bird

from WordNet (r) 3.0 (2006)
water bird
    n 1: freshwater aquatic bird [syn: {waterfowl}, {water bird},
         {waterbird}]
    
from The Collaborative International Dictionary of English v.0.48
Water bird \Wa"ter bird`\ (Zool.)
   Any aquatic bird; a water fowl.
   [1913 Webster]
    

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