koala vs Northern Rock Deermouse

Phascolarctos cinereus compared with Peromyscus nasutus

Key Differences

• koala is Vulnerable while Northern Rock Deermouse is Least Concern.

Taxonomic Classification

Rank	koala	Northern Rock Deermouse
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum same	Chordata (حبليات)	Chordata (حبليات)
Class same	Mammalia (ثدييات)	Mammalia (ثدييات)
Order	Diprotodontia (ثنائيات الأسنان الأمامية)	Rodentia (قوارض)
Family	Phascolarctidae (Koalas)	Cricetidae
Genus	Phascolarctos (Koalas)	Peromyscus
Species	Phascolarctos cinereus	Peromyscus nasutus

Evolutionary Relationship

koala and Northern Rock Deermouse share a common ancestor at the Class level: Mammalia. (ثدييات)

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Northern Rock Deermouse

LC — Least Concern

Physical Characteristics

Attribute	koala	Northern Rock Deermouse
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.

Northern Rock Deermouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.