Record Kakapo Breeding Season in New Zealand Following Bumper Rimu Berry Crop
New Zealand's critically endangered kakapo parrot has experienced its largest recorded breeding season, with 105 eggs hatched and 95 chicks surviving as of April 10. The flightless, nocturnal birds—the world's heaviest parrot species—only breed when rimu trees produce abundant berry-like fruit, which occurred exceptionally this year. Nearly all sexually mature females bred, laying 256 eggs, though some were infertile and ten chicks have died from various causes including infections and predator interference. Three surviving chicks received specialized veterinary care at a wildlife hospital. The population has rebounded from just 51 individuals in 1995 to an estimated 235 today, with conservationists hoping this season will bring numbers to 300. Kakapo now inhabit protected predator-free islands and a mainland sanctuary belonging to the Ngai Tahu people, who consider the species a treasure. Unique adaptations include mottled green camouflage, powerful climbing legs, and distinctive fruity odor that makes them vulnerable to introduced mammals. Males perform elaborate mating rituals involving deep 'boom' calls and metallic 'chings' for months. Conservation efforts face challenges from habitat loss, disease, and specific breeding requirements.
Key facts
- 105 kakapo eggs hatched as of April 10, 2025
- 95 chicks remained alive as of April 10
- 256 eggs laid during breeding season
- Ten newborn chicks died from various causes
- Kakapo population increased from 51 in 1995 to 235 currently
- Kakapo only breed during rimu tree mast years every 2-4 years
- Kakapo are the world's heaviest parrot, weighing up to nine pounds
- Species is critically endangered and found only in New Zealand
Entities
Institutions
- New Zealand Department of Conservation
- Washington Post
- Associated Press
- New York Times
- Scientific American
- University of Minnesota
Locations
- New Zealand
- Longmont
- Colorado
- Minnesota