two yellow-green parakeets standing next to each other on a bush, close up. (melopsittacus undulatus)

bird pet animal parrot beak green yellow parakeet macaw budgie wing finch blue wildlife dog chicken cat two yellow-green parakeets standing next bush close melopsittacus undulatus origins name budgerigar proposed one origin may mispronunciation alteration gamilaraay word gidjirrigaa