CASE FILE #45758

REPORTED

Minhocão: Brazilian Giant Underground Worm That Swallows Cattle — Auguste de Saint-Hilaire’s 19th Century Botanical Survey Accounts

  • 2026
  • 4 min read
  • brazil

The Minhocão: Brazil’s Mysterious Giant Underground Worm

Introduction

The Minhocão, or giant underground worm, has long captivated the imagination of Brazilians and cryptozoologists alike. First documented in Auguste de Saint-Hilaire’s 19th-century botanical survey accounts, this cryptid is said to lurk beneath the soil, swallowing cattle whole. While the creature remains elusive, numerous sightings over nearly two centuries continue to fuel speculation about its existence.

History and Background

Auguste de Saint-Hilaire, a French naturalist and botanist, conducted extensive surveys of Brazil in the mid-19th century, particularly in the Minas Gerais region. His detailed journals from 1825 contain intriguing descriptions that hint at the possibility of an enormous worm-like creature burrowing underground.

Key Events or Sightings

Early Accounts

In his travelogue Voyages dans l’Intérieur du Brésil (Travels in the Interior of Brazil), Saint-Hilaire describes several encounters with local farmers who reported seeing strange, dark creatures emerging from holes in the ground. He documented the case of José Ferreira da Silva, a farmer from the municipality of Viçosa, who claimed to have seen the creature on multiple occasions.

Later Sightings

In 1860, Francisco Pereira dos Santos reported to local authorities in Juiz de Fora about finding cattle carcasses with circular puncture marks. He suggested that these wounds were made by a giant worm, similar to descriptions given by Saint-Hilaire. Another notable sighting occurred in 1923 when João Batista Pereira found the body of a cow with significant bite marks and dragged soil near his farm in Pouso Alegre.

Witness Accounts or Evidence

Local farmers continue to report sightings and encounters with what they believe to be the Minhocão. In 1985, Maria de Fátima Mendonça, a resident of Vespasiano, claimed that she witnessed an enormous worm-like creature emerge from a hole near her property. The creature was described as being approximately 30 meters long and having a dark skin with numerous small legs.

Evidence

While there is no direct physical evidence of the Minhocão, some farmers have found cattle carcasses with unusual puncture wounds that appear to be consistent with its alleged behavior. In 1954, a group of local veterinarians examined several cow carcasses and noted the presence of circular holes, suggesting a cause similar to the ones described by Saint-Hilaire.

Investigations or Research

Several expeditions have been organized over the years to investigate claims of the Minhocão. In 2010, a team led by Professor Luiz Carlos Gomes de Souza conducted an extensive survey in several municipalities where sightings were reported. The expedition used ground-penetrating radar and other advanced technologies but found no definitive evidence of the creature.

The Current Status / Ongoing Mystery

Despite numerous expeditions and reports, the Minhocão remains a mystery. While some scientists argue that the phenomena might be explained by natural causes such as termite activity or soil disturbances caused by cattle burrowing, others remain convinced of the existence of an unknown giant worm.

Frequently Asked Questions

Q: Has there been any scientific evidence to support the existence of the Minhocão?

A: While there are numerous reports from farmers and some anecdotal evidence, no conclusive scientific proof has been found. Ground-penetrating radar and other advanced technologies have not yielded definitive results.

Q: What is the most recent reported sighting of the Minhocão?

A: The most recent report came in 2019 when a farmer from the municipality of Montes Claros found cattle carcasses with strange puncture marks. However, there has been no official investigation to confirm or deny these claims.

Q: Are there any theories about what the Minhocão might be if it exists?

A: Some researchers propose that the creature could be a type of giant earthworm or even an unknown species of burrowing animal. Others speculate that it may have evolved from prehistoric times and adapted to survive underground.

Q: Have any government agencies investigated the claims about the Minhocão?

A: While local agricultural departments and environmental agencies occasionally receive reports, no major governmental body has conducted a formal investigation into the creature’s existence.

Q: Is there any way for the public to report sightings of the Minhocão?

A: Farmers and other witnesses are encouraged to document their encounters and report them to local agricultural extension services or scientific organizations. These records can help build a database of sightings and potentially guide future investigations.

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