Kiwi are flightless birds endemic to New Zealand. At around the size of a domestic chicken, kiwi are by far the smallest living ratites and lay the largest egg in relation to their body size of any species of bird .
Have you heard a tui? The Tui is an indigenous New Zealand bird, and a national symbol. It is unique in having two voice boxes, allowing it to mimic many different birdsongs and other sounds (including human); also giving it a distinctive and quirky song.
The endemic Tui (Prosthemadera novaeseelandiae) - New Zealand. Note its white fluff at throat. Tui have two voice boxes and are good mimics. They are much more common in the cities adn gardens now due to conservation efforts.