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Re: four legged ducks
I'd think of two factors acting simultaneously.
One is natural selection not for odd things by human, but against such
things as four-legged birds. Other one is that chicken and ducks are
grown in population dozens of times greater than natural pops.
On 9/28/06, K and T Dykes <firstname.lastname@example.org> wrote:
<<My favorite story dates back to the 1980's in which a four-legged duck
died while trying to lay a three-yolked egg! Its funny how these four-legged
birds are domestic birds not wild birds.>>
I'd imagine natural selection would be likely to frown upon them, Ian,
whereas strange primates find them somehow fascinating and tend to attempt
to preserve them.