koala vs yellow-necked mouse, yellow-necked field mouse

Phascolarctos cinereus compared with Apodemus flavicollis

Key Differences

• koala is Vulnerable while yellow-necked mouse, yellow-necked field mouse is Near Threatened.

Taxonomic Classification

Rank	koala	yellow-necked mouse, yellow-necked field mouse
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class same	Mammalia (lớp Thú)	Mammalia (lớp Thú)
Order	Diprotodontia (Thú hai răng trước)	Rodentia (Bộ Gặm nhấm)
Family	Phascolarctidae (Koalas)	Muridae (Mice & Rats)
Genus	Phascolarctos (Koalas)	Apodemus
Species	Phascolarctos cinereus	Apodemus flavicollis

Evolutionary Relationship

koala and yellow-necked mouse, yellow-necked field mouse share a common ancestor at the Class level: Mammalia. (lớp Thú)

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

yellow-necked mouse, yellow-necked field mouse

NT — Near Threatened

Physical Characteristics

Attribute	koala	yellow-necked mouse, yellow-necked field mouse
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.

yellow-necked mouse, yellow-necked field mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Norway, Russia, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.