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The kākāpō is long-lived, with an average life expectancy of 60 (plus or minus 20) years, and tends to reach adolescence before it starts breeding. [60] Males start booming at about 5 years of age. [64] It was thought that females reached sexual maturity at 9 years of age, but four five-year-old females have now been recorded reproducing.
Sirocco (hatched 23 March 1997) [1] is a kākāpō, a large, flightless, nocturnal parrot, and one of the remaining living individuals numbering only 244 (as of 2024). [2] He achieved individual fame following an incident on the BBC television series Last Chance to See in which he attempted to mate with zoologist Mark Carwardine.
The only mention of the birds' lifespan is "Because Kakapo are quite long-lived, they tend to have an adolescence before beginning breeding." But how long-lived are they?? (doesn't know how to type a whistling sound) According to BirdLife International's Rare Birds Yearbook, 90 on average, with the maximum estimated at 120.
As cavity nesters with a long incubation period that requires the mother to stay on the nest for at least 90 days, New Zealand kākā are particularly vulnerable to predation. Stoats were the main cause of death of nesting adult females, nestlings and fledglings, but possums were also important predators of adult females, eggs and nestlings. [ 42 ]
This is a list of maximum recorded animal lifespans in captivity.Only animals from the classes of the Chordata phylum are included. [1] On average, captive animals (especially mammals) live longer than wild animals.
Last Chance to See is a wildlife documentary first broadcast on BBC Two in the United Kingdom during September and October 2009. The series is a follow-up of the 1989 radio series, also called Last Chance to See , in which Douglas Adams and Mark Carwardine set out to find endangered animals.
The last known Norfolk kākā died in captivity in London sometime after 1851, [42] and only between seven [43] and 20 [44] skins survive. The Chatham kākā became extinct between 1500 and 1650 in pre-European times, after Polynesians arrived at the island, and is only known from subfossil bones. [ 8 ]
The Life of Birds is a BBC nature documentary series written and presented by David Attenborough, first transmitted in the United Kingdom from 21 October 1998. A study of the evolution and habits of birds , it was the third of Attenborough's specialised surveys following his major trilogy that began with Life on Earth .