by Gerard Hutching and Carl Walrond
New Zealand’s lizard-like tuatara once lived throughout New Zealand, but became extinct on the mainland after humans arrived. The species survived on some nearshore islands, but people, dogs, cats and rats soon took their toll. Fortunately, people can also do good: raising tuatara in captivity, and removing predators from the islands. The fate of many threatened species lies in our hands.
Main image: Mahoenui giant wētā
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