Brittle Cactus vs koala

Opuntia fragilis compared with Phascolarctos cinereus

Key Differences

Brittle Cactus is Least Concern while koala is Vulnerable.

Taxonomic Classification

Rank	Brittle Cactus	koala
Kingdom	Plantae (植物)	Animalia (動物)
Phylum	Magnoliophyta (被子植物門)	Chordata (脊索動物)
Class	Magnoliopsida (モクレン綱)	Mammalia (哺乳類)
Order	Caryophyllales (ナデシコ目)	Diprotodontia (カンガルー目)
Family	Cactaceae	Phascolarctidae (Koalas)
Genus	Opuntia	Phascolarctos (Koalas)
Species	Opuntia fragilis	Phascolarctos cinereus

Conservation Status

Brittle Cactus

LC — Least Concern

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Brittle Cactus	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Brittle Cactus

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found in Canada.

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.

Brittle Cactus

The Brittle Cactus (Opuntia fragilis) is a species in the genus Opuntia. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

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。