koala vs Red-backed Mining Bee

Phascolarctos cinereus compared with Andrena similis

Key Differences

• koala is Vulnerable while Red-backed Mining Bee is Endangered.

Taxonomic Classification

Rank	koala	Red-backed Mining Bee
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)	Hymenoptera (ハチ目)
Family	Phascolarctidae (Koalas)	Andrenidae
Genus	Phascolarctos (Koalas)	Andrena
Species	Phascolarctos cinereus	Andrena similis

Evolutionary Relationship

koala and Red-backed Mining Bee share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Red-backed Mining Bee

EN — Endangered

Physical Characteristics

Attribute	koala	Red-backed Mining Bee
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.

Red-backed Mining Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Luxembourg, Norway, and Sweden. Currently classified as Endangered 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。