koala vs Cerf sika

Phascolarctos cinereus compared with Cervus nippon

Key Differences

koala is Vulnerable while Cerf sika is Not Evaluated.

Taxonomic Classification

Rank	koala	Cerf sika
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (mammifères)	Mammalia (mammifères)
Order	Diprotodontia (Marsupials)	Artiodactyla (Even-toed Ungulates)
Family	Phascolarctidae (Koalas)	Cervidae (Deer)
Genus	Phascolarctos (Koalas)	Cervus (True Deer)
Species	Phascolarctos cinereus	Cervus nippon

Evolutionary Relationship

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

Afficher Class: Mammalia

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Cerf sika

NE — Not Evaluated

Physical Characteristics

Attribute	koala	Cerf sika
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.

Cerf sika

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Africa (South Africa), Asia (Azerbaijan, Japan, Vietnam), Europe (22 countries), North America (United States), and Oceania and the Pacific (New Zealand).

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.

Cerf sika

sika deer (Cervus nippon) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.