A mule is louder than a horse and stranger than a donkey — that wheezing bray hits a register neither animal owns, and once you hear it in a western you can't un-hear it. The 9 clip in this short set captures the full call: the inhale buildup, the long honking middle, and the descending tail that's almost a laugh. A small bonus of hoof-step and snort context was recorded the same session, in case the scene needs continuity around the call.
Western and frontier productions reach for the bray when a pasture wide shot needs an animal voice that isn't generic horse. Comedy edits use the longer drawn-out version because the descending tail lands as a punchline by itself. A short documentary about pack animals or homestead farming gets honest character from one clear take. Grab the file free with no signup, no attribution required for commercial or personal work.