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 (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Mammalia (哺乳類)	Mammalia (哺乳類)
Order	Primates (サル目)	Diprotodontia (カンガルー目)
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. (哺乳類)

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

オーストラリア東部・南東部を代表する有袋類で、体重は最大15kgに達し、低カロリーのユーカリの葉食から得るエネルギーを節約するために1日最大22時間を睡眠に費やす。他の哺乳類の多くを死に至らしめる有毒なユーカリ成分を処理するために高度に特化しており、解毒に特別に適応した腸内微生物叢を持つ。クラミジア感染症、生息地の伐採、気候変動により個体数が激減し、2022年に絶滅危惧種に指定された。