koala vs Marsh frog
Phascolarctos cinereus compared with Pelophylax ridibundus
Key Differences
- koala is Vulnerable while Marsh frog is Least Concern.
Taxonomic Classification
| Rank | koala | Marsh frog |
|---|---|---|
| Kingdom same | Animalia (動物) | Animalia (動物) |
| Phylum same | Chordata (脊索動物) | Chordata (脊索動物) |
| Class | Mammalia (哺乳類) | Amphibia (両生類) |
| Order | Diprotodontia (カンガルー目) | Anura (カエル) |
| Family | Phascolarctidae (Koalas) | Ranidae |
| Genus | Phascolarctos (Koalas) | Pelophylax |
| Species | Phascolarctos cinereus | Pelophylax ridibundus |
Evolutionary Relationship
koala and Marsh frog share a common ancestor at the Phylum level: Chordata. (脊索動物)
Conservation Status
koala
VU — VulnerablePopulation: ~100.0K
Trend: Decreasing ↓
Marsh frog
LC — Least ConcernPhysical Characteristics
| Attribute | koala | Marsh frog |
|---|---|---|
| Diet | Herbivore | — |
| Average Lifespan | 15 years | — |
| Average Length | 75 cm | — |
| Average Weight | 10.0 kg | — |
Habitat & Geographic 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.
Marsh frog
Typically found in freshwater habitats, moist forests, and wetlands.
Found across Europe (12 countries).
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。
Marsh frog
ヌマガエル(Pelophylax ridibundus)はIUCNレッドリストで軽度懸念種(LC)に分類される。分布域全体にわたって広く生息し個体群は安定しており、差し迫った保全上の懸念はない。
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