Let's put it this way. Just because we have zoos doesn't make those animals native. There is probably some threshold of self sustainance and propagation in the

Let's put it this way. Just because we have zoos doesn't make those animals native. There is probably some threshold of self sustainance and propagation in the region to call it native, after many centuries I would presume. More to read here :) https://en.wikipedia.org/wiki/Native_species https://en.wikipedia.org/wiki/Native_species