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Prior to the introduction of stoats to New Zealand, there were no fierce predators on the islands. The Polynesians and Europeans brought rats, and later cats, dogs and pigs were introduced, all of which had a significant effect - but none of them were like the stoat. Stoats prey on native brds and reptiles, and they have contributed significantly to the extinction of unique bird species such as the bush wren, laughing owl and native thrush. In addition, they have had a significant impact on species such as the South Island kokako, takahe, kaka, mohua, Hutton's shearwater, kakapo, kakariki, the Okarito kiwi and other kiwi species, resting in the decline of populations.

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Q: What damage did stoats do to the New Zealand environment?
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