English: Red-crowned Parakeet (Cyanoramphus novaezelandiae) with abnormal beak.
Date 1888
Source Walter Lawry Buller, 1888, A History of the Birds of New Zealand. Page 139
Author Walter Lawry Buller
Source: https://commons.wikimedia.org/wiki/File:Bul01Bird139a.jpg

The red-crowned parakeet or red-fronted parakeet (Cyanoramphus novaezelandiae), also widely known by its Māori name of kākāriki, is a small parrot from New Zealand. It is characterised by its bright green plumage and the red pattern on its head.