World Endangered flightless parrot sees highest population in 50 years after artificial insemination August 9, 2022August 9, 2022 Wyatte Grantham-Philips, USA TODAY Comments Off on Endangered flightless parrot sees highest population in 50 years after artificial insemination New Zealand's kākāpō population has reached 252, the highest in almost 50 years. Conversationalists also point to artificial insemination success.