Eurasian beaver vs koala
Castor fiber compared with Phascolarctos cinereus
Taxonomic Classification
| Rank | Eurasian beaver | koala |
|---|---|---|
| Kingdom same | Animalia (動物) | Animalia (動物) |
| Phylum same | Chordata (脊索動物) | Chordata (脊索動物) |
| Class same | Mammalia (哺乳類) | Mammalia (哺乳類) |
| Order | Rodentia (ネズミ目) | Diprotodontia (カンガルー目) |
| Family | Castoridae (Beavers) | Phascolarctidae (Koalas) |
| Genus | Castor (Beavers) | Phascolarctos (Koalas) |
| Species | Castor fiber | Phascolarctos cinereus |
Evolutionary Relationship
Eurasian beaver and koala share a common ancestor at the Class level: Mammalia. (哺乳類)
Conservation Status
Eurasian beaver
VU — Vulnerablekoala
VU — VulnerablePopulation: ~100.0K
Trend: Decreasing ↓
Physical Characteristics
| Attribute | Eurasian beaver | koala |
|---|---|---|
| Diet | — | Herbivore |
| Average Lifespan | — | 15 years |
| Average Length | — | 75 cm |
| Average Weight | — | 10.0 kg |
Habitat & Geographic Range
Eurasian beaver
Typically found in diverse terrestrial and aquatic ecosystems.
Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.
koala
Typically found in grasslands, forests, and vegetated habitats.
Found in Australia. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.
Eurasian beaver
ユーラシアビーバー(Castor fiber)はIUCNレッドリストで絶滅危惧II類(VU)に分類されています。個体群の減少と生息地への圧力の増大により、野生での絶滅危険度が高い状況に直面しています。
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。
Related Comparisons
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