европейская устрица vs koala

Ostrea edulis compared with Phascolarctos cinereus

Key Differences

• европейская устрица is Near Threatened while koala is Vulnerable.

Taxonomic Classification

Rank	европейская устрица	koala
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum	Mollusca (моллюски)	Chordata (хордовые)
Class	Bivalvia (двустворчатые)	Mammalia (млекопитающие)
Order	Ostreida (Ostreoida)	Diprotodontia (двурезцовые сумчатые)
Family	Ostreidae	Phascolarctidae (Koalas)
Genus	Ostrea	Phascolarctos (Koalas)
Species	Ostrea edulis	Phascolarctos cinereus

Evolutionary Relationship

европейская устрица and koala share a common ancestor at the Kingdom level: Animalia. (животные)

Conservation Status

европейская устрица

NT — Near Threatened

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	европейская устрица	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

европейская устрица

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 6 distinct biome types spanning the Afrotropic and Oceanian and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Mauritius, Namibia), Asia (Israel), Europe (9 countries), North America (Canada, Mexico, United States), and Oceania and the Pacific (Australia, Fiji, Tonga). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

европейская устрица

European flat oyster (Ostrea edulis) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

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.

Shared Countries

Both species can be found in 1 countries:

🇦🇺 Australia