Brush Rabbit vs Koala

Sylvilagus bachmani compared with Phascolarctos cinereus

Key Differences

• Brush Rabbit is Least Concern while Koala is Vulnerable.

Taxonomic Classification

Rank	Brush Rabbit	Koala
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Mammalia (Säugetiere)	Mammalia (Säugetiere)
Order	Lagomorpha (Hasenartige)	Diprotodontia (Marsupials)
Family	Leporidae (Rabbits & Hares)	Phascolarctidae (Koalas)
Genus	Sylvilagus	Phascolarctos (Koalas)
Species	Sylvilagus bachmani	Phascolarctos cinereus

Evolutionary Relationship

Brush Rabbit and Koala share a common ancestor at the Class level: Mammalia. (Säugetiere)

Conservation Status

Brush Rabbit

LC — Least Concern

Koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Brush Rabbit	Koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Brush Rabbit

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Brush Rabbit

The Brush Rabbit (Sylvilagus bachmani) is a species in the genus Sylvilagus. It is currently classified as Least Concern on the IUCN Red List. 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.