After a four-year hiatus, conservationists in New Zealand are relieved that the flightless kākāpo is once again breeding. Fewer than 300 of the parrots exist.

"We are preparing for what might be the biggest breeding season since the program began 30 years ago," one conservationist said ...

Correction: A previous version of this article described the kākāpō as almost blind. It has nocturnal vision. Originally moved Jan. 14, 2021. Subscribe to The Post Most newsletter for the most ...

Kākāpō ( Strigops habroptilus) are large, flightless, nocturnal parrots with mottled green and yellow plumage that only breed every two to four years. Their breeding seasons are triggered by the mass ...

In birds, singing behaviors play a critical role in mating and territory defense. Although birdsong can signal individual quality and personality, very few studies have explored the relationship ...