koala vs Notched Rustwort

Phascolarctos cinereus compared with Marsupella emarginata

Key Differences

• koala is Vulnerable while Notched Rustwort is Extinct.

Taxonomic Classification

Rank	koala	Notched Rustwort
Kingdom	Animalia (حيوانات)	Plantae (نباتات)
Phylum	Chordata (حبليات)	Marchantiophyta (نباتات كبدية)
Class	Mammalia (ثدييات)	Jungermanniopsida (جنغرمنانية)
Order	Diprotodontia (ثنائيات الأسنان الأمامية)	Jungermanniales (جنغرمنيات)
Family	Phascolarctidae (Koalas)	Gymnomitriaceae
Genus	Phascolarctos (Koalas)	Marsupella
Species	Phascolarctos cinereus	Marsupella emarginata

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Notched Rustwort

EX — Extinct

Physical Characteristics

Attribute	koala	Notched Rustwort
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.

Notched Rustwort

Habitat

Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), North America (United States), and South America (Colombia).

koala

Iconic marsupial of eastern and southeastern Australia, koalas weigh up to 15 kg and spend up to 22 hours daily sleeping to conserve energy from their low-calorie eucalyptus leaf diet. Highly specialized to process toxic eucalyptus compounds that would kill most other mammals, they have gut microbiomes uniquely adapted for detoxification. Listed as Endangered in 2022, with populations decimated by chlamydia disease, habitat clearing, and climate change.