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 (动物界)	Plantae (植物)
Phylum	Chordata (脊索动物门)	Magnoliophyta (木兰植物门)
Class	Mammalia (哺乳動物)	Magnoliopsida (木兰纲)
Order	Diprotodontia (雙門齒目)	Rosales (蔷薇目)
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

澳大利亚东部和东南部的标志性有袋类动物，体重最大可达15千克，为了节省低热量桉树叶食物所提供的能量，每天最多睡眠22小时。高度特化，能够处理会致大多数其他哺乳动物死亡的有毒桉树成分，拥有专门适应解毒功能的肠道微生物群。因衣原体病、栖息地开发和气候变化导致种群锐减，2022年被列为濒危物种。

Rafflesia

大花草（Rafflesia arnoldii）能开出直径最大1米的世界最大单朵花。它是一种没有根、茎和叶的寄生植物。