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Nightmarks in Amazonas | Nightmarks

Explore/Amazonas

Nightmarks in Amazonas

1 nightmark documented

Boiúna / Cobra Grande — the giant serpent of the Brazilian Amazon

Rio Negro, Manaus, Amazonas

The Great Serpent of the Brazilian Amazon — 30-100 metres of dark river-monster whose eyes are said to mimic boat lights, catalogued since the 1820s.

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Map data © OpenStreetMap contributors. Sighting data sourced from Project Blue Book (public domain) and Wikipedia (CC-BY-SA). Photos from Wikimedia Commons and Pexels.