common brown lemur vs Napo Spiny-rat

Eulemur fulvus compared with Proechimys quadruplicatus

Key Differences

• common brown lemur is Vulnerable while Napo Spiny-rat is Least Concern.

Taxonomic Classification

Rank	common brown lemur	Napo Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Primates (Primates)	Rodentia (Rodents)
Family	Lemuridae (Lemurs)	Echimyidae
Genus	Eulemur	Proechimys
Species	Eulemur fulvus	Proechimys quadruplicatus

Evolutionary Relationship

common brown lemur and Napo Spiny-rat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

common brown lemur

VU — Vulnerable

Napo Spiny-rat

LC — Least Concern

Physical Characteristics

Attribute	common brown lemur	Napo Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

common brown lemur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Napo Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

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.