koala vs red-necked wallaby

Phascolarctos cinereus compared with Macropus rufogriseus

Key Differences

• koala is Vulnerable while red-necked wallaby is Least Concern.

Taxonomic Classification

Rank	koala	red-necked wallaby
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order same	Diprotodontia (Marsupials)	Diprotodontia (Marsupials)
Family	Phascolarctidae (Koalas)	Macropodidae (Kangaroos)
Genus	Phascolarctos (Koalas)	Macropus (Kangaroos)
Species	Phascolarctos cinereus	Macropus rufogriseus

Evolutionary Relationship

koala and red-necked wallaby share a common ancestor at the Order level: Diprotodontia. (Marsupials)

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

red-necked wallaby

LC — Least Concern

Physical Characteristics

Attribute	koala	red-necked wallaby
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.

red-necked wallaby

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (11 countries) 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.

red-necked wallaby

red-necked wallaby (Macropus rufogriseus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.