koala vs Rafflesia

Phascolarctos cinereus compared with Rafflesia arnoldii

Key Differences

koala is Vulnerable while Rafflesia is Endangered.
koala is herbivore while Rafflesia is parasite.
koala lives longer (15 years vs 5 years).

Taxonomic Classification

Rank	koala	Rafflesia
Kingdom	Animalia (動物)	Plantae (植物)
Phylum	Chordata (脊索動物)	Magnoliophyta (被子植物門)
Class	Mammalia (哺乳類)	Magnoliopsida (モクレン綱)
Order	Diprotodontia (カンガルー目)	Rosales (バラ目)
Family	Phascolarctidae (Koalas)	Rosaceae (Rose Family)
Genus	Phascolarctos (Koalas)	Rosa (Roses)
Species	Phascolarctos cinereus	Rafflesia arnoldii

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Rafflesia

EN — Endangered

Trend: Decreasing ↓

Physical Characteristics

Attribute	koala	Rafflesia
Diet	Herbivore	Parasite
Average Lifespan	15 years	5 years
Average Length	75 cm	1.0 m
Average Weight	10.0 kg	11.0 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.

Rafflesia

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 5 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Indonesia and Malaysia. 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。