A bark is a sound most commonly produced by dogs. Other animals that make this noise include wolves, coyotes, seals, foxes, and quolls. Woof is the most common onomatopoeia in the English language for this sound, especially for large dogs. "Bark" is also a verb that describes the sharp explosive cry of certain animals. University of Massachusetts Amherst researchers define a bark as a short, loud and relatively high-pitched vocalization with an abrupt onset, frequency modulation, and rapid repetition.
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