Sierra Sounds (1971)

The Sierra Sounds are audio recordings made by Ron Morehead and Al Berry, allegedly capturing Bigfoot vocalizations in the Sierra Nevada mountains beginning in 1971. Enthusiasts of Bigfoot commonly reference the recordings as among the most compelling evidence for the existence of Bigfoot, though scientific consensus maintains Bigfoot remains firmly within the pseudoscience of cryptozoology and is not a real creature. This case remains a notable entry in historical unexplained-event archives and is included here as a curated historical report.

Source Title

Wikipedia: Sierra Sounds

Source URL

https://en.wikipedia.org/wiki/Sierra_Sounds

Source Notes

Imported from Wikipedia REST, MediaWiki, and Wikidata sources on 2026-07-12. Review article citations and edit details before saving. Location inferred from linked Wikipedia place: Sierra Nevada. Wikimedia image source: https://upload.wikimedia.org/wikipedia/commons/9/94/DanaFork.JPG. Date note: Only a year was found; the event date defaults to January 1 at 12:00. Coordinates inferred from linked Wikipedia place: Sierra Nevada.

1. Occurred Jan 1, 1971 12:00 PM UTC
2. Submitted Jul 12, 2026 5:18 PM Historical Archive created
3. Approved Jul 12, 2026 5:18 PM Moderator reviewed
4. Media Uploaded Jul 12, 2026 5:18 PM 1 media file