Chinese river dolphin vs common brown lemur

Lipotes vexillifer compared with Eulemur fulvus

Key Differences

• Chinese river dolphin is Critically Endangered while common brown lemur is Vulnerable.

Taxonomic Classification

Rank	Chinese river dolphin	common brown lemur
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Cetacea (Whales & Dolphins)	Primates (Primates)
Family	Lipotidae	Lemuridae (Lemurs)
Genus	Lipotes	Eulemur
Species	Lipotes vexillifer	Eulemur fulvus

Evolutionary Relationship

Chinese river dolphin and common brown lemur share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Chinese river dolphin

CR — Critically Endangered

common brown lemur

VU — Vulnerable

Physical Characteristics

Attribute	Chinese river dolphin	common brown lemur
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chinese river dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

common brown lemur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Chinese river dolphin

The Chinese River Dolphin (Lipotes vexillifer) is a species in the genus Lipotes. It is currently classified as Critically Endangered on the IUCN Red List.

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.