John,
>In NZ's case, the closest land masses are deeply frozen continent well to the South and a fierce desert continent to the Northeast stocked with most of the poisonous creatures on earth.
That is not much different in Canada, the difference that the frozen mass is to the North and that the poisonous creatures, far more dangerous than the ones you mentioned, are to the south (you can find some of them to the North-West, but very few) <g>
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