koala vs Zarazara-ei

Phascolarctos cinereus compared with Hypanus guttatus

Key Differences

koala is Vulnerable while Zarazara-ei is Near Threatened.

Taxonomic Classification

Rank	koala	Zarazara-ei
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Elasmobranchii
Order	Diprotodontia (カンガルー目)	Myliobatiformes (トビエイ目)
Family	Phascolarctidae (Koalas)	Dasyatidae
Genus	Phascolarctos (Koalas)	Hypanus
Species	Phascolarctos cinereus	Hypanus guttatus

Evolutionary Relationship

koala and Zarazara-ei share a common ancestor at the Phylum level: Chordata. (脊索動物)

表示 Phylum: Chordata

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Zarazara-ei

NT — Near Threatened

Physical Characteristics

Attribute	koala	Zarazara-ei
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.

Zarazara-ei

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Venezuela. 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。