musaraigne arctique vs koala

Sorex arcticus compared with Phascolarctos cinereus

Key Differences

• musaraigne arctique is Least Concern while koala is Vulnerable.

Taxonomic Classification

Rank	musaraigne arctique	koala
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (mammifères)	Mammalia (mammifères)
Order	Soricomorpha (Soricomorpha)	Diprotodontia (Marsupials)
Family	Soricidae	Phascolarctidae (Koalas)
Genus	Sorex	Phascolarctos (Koalas)
Species	Sorex arcticus	Phascolarctos cinereus

Evolutionary Relationship

musaraigne arctique and koala share a common ancestor at the Class level: Mammalia. (mammifères)

Conservation Status

musaraigne arctique

LC — Least Concern

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	musaraigne arctique	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

musaraigne arctique

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.

musaraigne arctique

The Arctic shrew (Sorex arcticus) is a species in the genus Sorex. 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.