>Michael Price writes:
>If environment influences
>morphology, why are raptor, shorebird and gull species living cheek-by-jowl
>in the same habitats so widely different in their dimorphic selections or
>lack of them in a way that in seems in some to depend on the family to
which
>they belong and in others not at all?

Seems to me that this is another example of 'chaos' at work in evolution;
vanishingly small differences in initial conditions may lead to huge
qualitative differences in final result.

Rick Romea
Seattle, WA
rromea at stioptronics.com