1. Norfolk kaka (Nestor productus) 2. Kaka parrot (Nestor Hypopolius) illustrated from A Synopsis of the Birds of Australia… https://www.rawpixel.com/image/328568/free-illustration-image-elizabeth-gould-bird-parrotFree Image from public domain licenseKa-ka Parrot (Nestor hypopolius) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804-1881) Birds… https://www.rawpixel.com/image/321266/free-illustration-image-australia-parrot-birdFree Image from public domain license