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When Kairuku was alive, most of modern New Zealand was submerged beneath the ocean. The scientists believe the remaining isolated, rocky land masses helped keep the penguins safe from potential predators and provided them with plentiful supplies of food. Fordyce said there are several reasons why the giant penguins might have become extinct: It could have been from climate change, the arrival of new predators, or increased competition for food from seals and other creatures.
[Associated
Press;
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