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Mono Grande

Last reviewed Oct 25, 2026 Next review Nov 9, 2026

Painted illustration: large monkey in Amazon canopy — AI rendition based on witness descriptions, not an actual photo.

De Loys' 1920 photograph of the so-called 'ape' in Venezuela — De Loys' Ape · Francois de Loys · Public domain (via Wikimedia Commons) · Image source

A large monkey reported occasionally in South America.

Open Verdict: Mono Grande remains unconfirmed: the record is reports, with no specimen or verifiable photo.

Region: South America · South America
First reports: Occasional reports

Key sightings

Bigger than known New World monkeys.

Best evidence

Little expert interest.

Sources

Wikipedia: Mono Grande ↗