koala vs シロフクロウ

Phascolarctos cinereus compared with Bubo scandiacus

Key Differences

  • koala is Vulnerable while シロフクロウ is Critically Endangered.

Taxonomic Classification

Rank koala シロフクロウ
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) Aves (鳥類)
Order Diprotodontia (カンガルー目) Strigiformes (フクロウ目)
Family Phascolarctidae (Koalas) Strigidae (True Owls)
Genus Phascolarctos (Koalas) Bubo (Eagle Owls)
Species Phascolarctos cinereus Bubo scandiacus

Evolutionary Relationship

koala and シロフクロウ share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

シロフクロウ

CR — Critically Endangered

Physical Characteristics

Attribute koala シロフクロウ
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.

シロフクロウ

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Ecuador). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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。

シロフクロウ

シロフクロウ(Bubo scandiacus)はIUCNレッドリストで絶滅危惧IA類(CR)に分類されている。深刻な個体数減少と生息地喪失により、野生での絶滅の危険性が極めて高い。

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