The kiwi is a small, flightless bird native to New Zealand, known for its high, whistling call rather than any deep roar. Online, bass boosting became a popular way to make ordinary sounds feel louder, heavier and funnier by exaggerating their low frequencies, and short animal clips became a favourite target for that treatment. This version keeps the bird call short, at under three seconds, so it works as a quick punchline rather than a nature recording. It continues to circulate on soundboards because that contrast between a tiny bird and an oversized bass sound is instantly recognisable.