budgerigar or melopsittacus undulatus on white

american animal aves backyard beak bill bird birds birdwatching blue budgerigar budgie chordata color colorful cute drawn english fauna feather green hand isolated lovers medium melopsittacus nature ornithology painting parakeet parrot pencil pet plumage poster prey sanctuary sketch species tailfeather taxonomy tropical undulatus watch watching watercolor white wild wildlife wing wings yellow