Gray-bellied Rice Rat vs Humboldt's Squirrel Monkey

Nephelomys moerex compared with Saimiri cassiquiarensis

Key Differences

• Gray-bellied Rice Rat is Extinct while Humboldt's Squirrel Monkey is Near Threatened.

Taxonomic Classification

Rank	Gray-bellied Rice Rat	Humboldt's Squirrel Monkey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Primates (Primates)
Family	Cricetidae	Cebidae
Genus	Nephelomys	Saimiri
Species	Nephelomys moerex	Saimiri cassiquiarensis

Evolutionary Relationship

Gray-bellied Rice Rat and Humboldt's Squirrel Monkey share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Gray-bellied Rice Rat

EX — Extinct

Humboldt's Squirrel Monkey

NT — Near Threatened

Physical Characteristics

Attribute	Gray-bellied Rice Rat	Humboldt's Squirrel Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-bellied Rice Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.

Humboldt's Squirrel Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Shared Countries

Both species can be found in 1 countries:

🇪🇨 Ecuador