Gray-bellied Night Monkey vs Surprise Thorius

Aotus lemurinus compared with Thorius insperatus

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Surprise Thorius is Critically Endangered.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Surprise Thorius
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Primates (Primates)	Caudata (Caudata)
Family	Aotidae	Plethodontidae
Genus	Aotus	Thorius
Species	Aotus lemurinus	Thorius insperatus

Evolutionary Relationship

Gray-bellied Night Monkey and Surprise Thorius share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Surprise Thorius

CR — Critically Endangered

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Surprise Thorius
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-bellied Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Surprise Thorius

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Found in Mexico. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.