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[NoOne]

Hybrids occur in the wild in some areas (port macquarie intergrades) but these intergrades area a pure species in themselves and have been for hundreds of years.
To think that anyone could create a new species from a few cross breedings is foolish. Hybrids in the wild only survive if nature intends them to, where as we can keep them alive under perfect conditions.

Cross breeding is done for money, GTPs and jungles are two of the most popular snakes around and it would make sense two combine the two if your out to make money and sell the perfect python.

It has already come to the point where some captive species purity can be questioned e.g childreni. These were being cross bred all over the place a few years back and still are, most are being sold as pure childreni.
It is illegal in some states to cross bred reptiles and IMO it should be in all states.

If dogs did descend from one species then that is not cross breeding more like inbreeding as it takes two different species to have a cross breed. Now after many years for domesitcation and selective breeding there are different species.

The question you have to ask is what's wrong with the snakes we have?
Why must people try to improve something that took evolution millions of years to perfect?