brown ribbon worm vs koala

Cerebratulus fuscus compared with Phascolarctos cinereus

Key Differences

• brown ribbon worm is Not Evaluated while koala is Vulnerable.

Taxonomic Classification

Rank	brown ribbon worm	koala
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Nemertea (ヒモムシ)	Chordata (脊索動物)
Class	Pilidiophora (Pilidiophora)	Mammalia (哺乳類)
Order	Heteronemertea (Heteronemertea)	Diprotodontia (カンガルー目)
Family	Lineidae	Phascolarctidae (Koalas)
Genus	Cerebratulus	Phascolarctos (Koalas)
Species	Cerebratulus fuscus	Phascolarctos cinereus

Evolutionary Relationship

brown ribbon worm and koala share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

brown ribbon worm

NE — Not Evaluated

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	brown ribbon worm	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

brown ribbon worm

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

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.

brown ribbon worm

The Brown Ribbon Worm (Cerebratulus fuscus) is a species in the genus Cerebratulus. Native to Europe, inhabiting ecosystems characteristic of the region. Distributed across Norway and Sweden. As a member of the Cerebratulus genus, this species contributes to biodiversity in its native range.

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。