I dont think the coloration of Hog Island boas helped them survive. Rather, I just don't think it hendered their survival. What I mean is that they don't have the same natural predators as mainland boas. Like their small size, their light color doesn't hurt them. Throw a little bitty light boa in Colombia and see how long it lasts though. Don't see to many wc albinos, but I bet if they were dropped off on an island without predators, and plenty of grub(because there is nothing eating their prey either) they would flourish.
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Davey Giltner

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