Crested duck, mallard

Getting quite tame this crested duck,  The   Crested Duck is a breed descended from the mallard . It has its appearance because it is heterozygous  for a genetic mutation  causing a deformity of the skull. As a result, when a pair of crested ducks breed, the young sort out in the usual 1-2-1 ratio:-does this mean the duck is quackers:-

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1 Comment (+add yours?)

  1. Mary
    Jan 01, 2012 @ 21:32:08

    Such an odd duck! Makes you wonder what the little ducklings look like.

    Reply

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