Andean Chilomys vs common brown lemur

Chilomys instans compared with Eulemur fulvus

Key Differences

• Andean Chilomys is Least Concern while common brown lemur is Vulnerable.

Taxonomic Classification

Rank	Andean Chilomys	common brown lemur
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	Lemuridae (Lemurs)
Genus	Chilomys	Eulemur
Species	Chilomys instans	Eulemur fulvus

Evolutionary Relationship

Andean Chilomys and common brown lemur share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Andean Chilomys

LC — Least Concern

common brown lemur

VU — Vulnerable

Physical Characteristics

Attribute	Andean Chilomys	common brown lemur
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Andean Chilomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

common brown lemur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Andean Chilomys

The Andean Chilomys (Chilomys instans) is a species in the genus Chilomys. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

common brown lemur

The common brown lemur (<em>Eulemur fulvus</em>) is a medium-sized primate endemic to Madagascar, typically inhabiting diverse terrestrial and aquatic environments including tropical moist forests. This species is classified as Vulnerable on the IUCN Red List, reflecting significant population declines driven primarily by habitat loss and fragmentation resulting from deforestation and land conversion across its native range. As a member of the family Lemuridae, the common brown lemur is characterized by its brown to gray fur, pale face patches, and social group-living behavior. The species is typically diurnal and cathemeral, meaning it may be active during both day and night depending on season and conditions. It often feeds on fruits, leaves, flowers, and invertebrates, making it an important seed disperser in Malagasy forest ecosystems. The common brown lemur typically lives in social groups ranging in size from a few individuals to over a dozen animals. Biological traits of this species remain poorly documented in the scientific literature.