World Nature Conservation Day: How a large, flightless parrot rebounded from the verge of extinction
In the mid-1990s, the kākāpō seemed destined for extinction. Only 51 individuals of the flightless, nocturnal parrot remained, all of them descended from a shrinking gene pool and spread across remote corners of New Zealand. A victim of its own evolutionary success, the kākāpō had once flourished in a predator-free island ecosystem. But its defenses—freezing […]