新西兰夜鹦鹉：从濒临灭绝到缓慢复苏
On a remote, predator-free island off New Zealand, a team of conservationists listens for a low, booming call in the dark. That sound belongs to the kākāpō, the world’s heaviest parrot and one of the rarest birds on Earth. With only around 250 individuals left, every single bird is known by name, and its health is tracked by GPS and smart transmitters.
The kākāpō evolved for millions of years without natural ground predators, so it lost the ability to fly. When humans brought rats, stoats and cats to New Zealand, the parrot’s ground-nesting habits became a deadly weakness. By the 1990s, fewer than 50 birds survived. The species was on the edge of extinction.
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