Some species just like it cooler. Others have withdrawn little by little to higher altitudes, making new homes where it’s too cold for their enemies to follow. But warmer seasons allow predators and diseases to gain ground and advance above the bushline—meaning that the alpine zone is no longer the refuge it once was.
Rowi are the rarest of the rare—a species of kiwi so critically restricted in distribution and breeding success that they were almost done for. But a last-ditch effort—codenamed Operation Nest Egg—has dramatically changed the fortunes of the most imperilled kiwi in the world.
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