European water vole vs Gray-bellied Night Monkey

Arvicola amphibius compared with Aotus lemurinus

Key Differences

• European water vole is Near Threatened while Gray-bellied Night Monkey is Vulnerable.

Taxonomic Classification

Rank	European water vole	Gray-bellied Night Monkey
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order	Rodentia (啮齿目)	Primates (灵长目)
Family	Cricetidae	Aotidae
Genus	Arvicola	Aotus
Species	Arvicola amphibius	Aotus lemurinus

Evolutionary Relationship

European water vole and Gray-bellied Night Monkey share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

European water vole

NT — Near Threatened

Gray-bellied Night Monkey

VU — Vulnerable

Physical Characteristics

Attribute	European water vole	Gray-bellied Night Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

European water vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Norway, Russia, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.