ヨーロッパヒラガキ vs koala

Ostrea edulis compared with Phascolarctos cinereus

Key Differences

ヨーロッパヒラガキ is Near Threatened while koala is Vulnerable.

Taxonomic Classification

Rank	ヨーロッパヒラガキ	koala
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Mollusca (軟体動物)	Chordata (脊索動物)
Class	Bivalvia (二枚貝)	Mammalia (哺乳類)
Order	Ostreida (カキ目)	Diprotodontia (カンガルー目)
Family	Ostreidae	Phascolarctidae (Koalas)
Genus	Ostrea	Phascolarctos (Koalas)
Species	Ostrea edulis	Phascolarctos cinereus

Evolutionary Relationship

ヨーロッパヒラガキ and koala share a common ancestor at the Kingdom level: Animalia. (動物)

表示 Kingdom: Animalia

Conservation Status

ヨーロッパヒラガキ

NT — Near Threatened

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	ヨーロッパヒラガキ	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

ヨーロッパヒラガキ

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.

ヨーロッパヒラガキ

ヨーロッパヒラガキ（Ostrea edulis）はIUCNレッドリストで準絶滅危惧（NT）に分類されています。脅威の基準に近づいており、保全措置なしには脆弱となる可能性がある個体数を有しています。

koala

オーストラリア東部・南東部を代表する有袋類で、体重は最大15kgに達し、低カロリーのユーカリの葉食から得るエネルギーを節約するために1日最大22時間を睡眠に費やす。他の哺乳類の多くを死に至らしめる有毒なユーカリ成分を処理するために高度に特化しており、解毒に特別に適応した腸内微生物叢を持つ。クラミジア感染症、生息地の伐採、気候変動により個体数が激減し、2022年に絶滅危惧種に指定された。