Himalayan Rat vs koala

Rattus pyctoris compared with Phascolarctos cinereus

Key Differences

• Himalayan Rat is Least Concern while koala is Vulnerable.

Taxonomic Classification

Rank	Himalayan Rat	koala
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class same	Mammalia (млекопитающие)	Mammalia (млекопитающие)
Order	Rodentia (грызуны)	Diprotodontia (двурезцовые сумчатые)
Family	Muridae (Mice & Rats)	Phascolarctidae (Koalas)
Genus	Rattus	Phascolarctos (Koalas)
Species	Rattus pyctoris	Phascolarctos cinereus

Evolutionary Relationship

Himalayan Rat and koala share a common ancestor at the Class level: Mammalia. (млекопитающие)

Conservation Status

Himalayan Rat

LC — Least Concern

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Himalayan Rat	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Himalayan Rat

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.

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.