New Delhi, Feb. 24 -- The world's only flightless parrot species was once thought to be doomed by design. The kakapo is too heavy, too slow and, frankly, too delicious to survive around predators, and takes a shamelessly relaxed approach to reproduction.

But the nocturnal and reclusive New Zealand native bird 's fate is teetering toward survival after an unlikely conservation effort that has coaxed the population from 50 to more than 200 over three decades. This year, with a bumper crop of the strange parrot's favorite berries prompting a rare enthusiasm for mating, those working to save the birds hope for a record number of chicks in February, which would move the kakapo closer to defying what was not long ago believed to be certain ext...