koala vs Saint John'S Wort Beetle

Phascolarctos cinereus compared with Chrysolina hyperici

Key Differences

• koala is Vulnerable while Saint John'S Wort Beetle is Near Threatened.

Taxonomic Classification

Rank	koala	Saint John'S Wort Beetle
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Chordata (脊索動物)	Arthropoda (節足動物)
Class	Mammalia (哺乳類)	Insecta (昆虫)
Order	Diprotodontia (カンガルー目)	Coleoptera (コウチュウ目)
Family	Phascolarctidae (Koalas)	Chrysomelidae
Genus	Phascolarctos (Koalas)	Chrysolina
Species	Phascolarctos cinereus	Chrysolina hyperici

Evolutionary Relationship

koala and Saint John'S Wort Beetle share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Saint John'S Wort Beetle

NT — Near Threatened

Physical Characteristics

Attribute	koala	Saint John'S Wort Beetle
Diet	Herbivore	—
Average Lifespan	15 years	—
Average Length	75 cm	—
Average Weight	10.0 kg	—

Habitat & Geographic 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.

Saint John'S Wort Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Europe (5 countries), North America (United States), and South America (Chile). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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。