black-and-white ruffed lemur vs koala

Varecia variegata compared with Phascolarctos cinereus

Key Differences

• black-and-white ruffed lemur is Critically Endangered while koala is Vulnerable.

Taxonomic Classification

Rank	black-and-white ruffed lemur	koala
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Primates (Primates)	Diprotodontia (Marsupials)
Family	Lemuridae (Lemurs)	Phascolarctidae (Koalas)
Genus	Varecia	Phascolarctos (Koalas)
Species	Varecia variegata	Phascolarctos cinereus

Evolutionary Relationship

black-and-white ruffed lemur and koala share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

black-and-white ruffed lemur

CR — Critically Endangered

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	black-and-white ruffed lemur	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

black-and-white ruffed lemur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

koala

Habitat

Typically found in grasslands, forests, and vegetated habitats.

Range

Found in Australia. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

black-and-white ruffed lemur

The Black-and-white ruffed lemur (Varecia variegata) is a species in the genus Varecia. It is currently classified as Critically Endangered on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

koala

Iconic marsupial of eastern and southeastern Australia, koalas weigh up to 15 kg and spend up to 22 hours daily sleeping to conserve energy from their low-calorie eucalyptus leaf diet. Highly specialized to process toxic eucalyptus compounds that would kill most other mammals, they have gut microbiomes uniquely adapted for detoxification. Listed as Endangered in 2022, with populations decimated by chlamydia disease, habitat clearing, and climate change.