Capybaras became a widespread internet favourite in the early 2020s, shared in short videos that celebrate how calm they seem around people and other animals. Clips of their quiet vocalisations circulated alongside that trend on social platforms, where editors reused the audio separate from its original footage. The sound stayed popular because it instantly signals a relaxed, unbothered mood without needing dialogue or explanation. It now appears in animal edits, reaction videos and wholesome compilations, often as a gentle punchline after stressful or noisy moments in a longer montage sequence.