Crampton's Samoana tree snail vs koala

Samoana cramptoni compared with Phascolarctos cinereus

Key Differences

• Crampton's Samoana tree snail is Critically Endangered while koala is Vulnerable.

Taxonomic Classification

Rank	Crampton's Samoana tree snail	koala
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Mollusca (軟体動物)	Chordata (脊索動物)
Class	Gastropoda (腹足綱)	Mammalia (哺乳類)
Order	Stylommatophora (Stylommatophora)	Diprotodontia (カンガルー目)
Family	Partulidae	Phascolarctidae (Koalas)
Genus	Samoana	Phascolarctos (Koalas)
Species	Samoana cramptoni	Phascolarctos cinereus

Evolutionary Relationship

Crampton's Samoana tree snail and koala share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Crampton's Samoana tree snail

CR — Critically Endangered

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Crampton's Samoana tree snail	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Crampton's Samoana tree snail

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Oceanian biogeographic realm.

Range

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

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.

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。