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Posted by: TOM_CRUTCHFIELD at Wed Jan 20 08:20:43 2010 [ Email Message ] [ Show All Posts by TOM_CRUTCHFIELD ] Actually colonization I think happened from south to north NOT north to south. It is NOT likely speaking from a geological standpoint that these lizards arrived on Grand Cayman via storms. I believe at some time in the past thse land masses were together possibly [I would have to check the geological formation history] and when seperated evolved into something different. All West Indian herps are of South American origin and colonized from a south to north corridor...It is also thought that specialization may happen rather quickly. A modern example is the population of Cuban Iguanas on Mayaguez. In just 50-60 years the social structure is already slightly different from the Cuban population. In 500 or so years we might have a new species there who knows?...LOL | ||
>> Next Message: RE: Blue Cyclura Theory - cychluraguy, Wed Jan 20 08:47:46 2010 >> Next Message: RE: Blue Cyclura Theory - Mark M, Wed Jan 20 18:20:43 2010 | ||
<< Previous Message: RE: Blue Cyclura Theory - cychluraguy, Wed Jan 20 07:43:14 2010 | ||
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