koala vs red-necked wallaby

Phascolarctos cinereus compared with Macropus rufogriseus

Key Differences

  • koala is Vulnerable while red-necked wallaby is Least Concern.

Taxonomic Classification

Rank koala red-necked wallaby
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 same Diprotodontia (カンガルー目) Diprotodontia (カンガルー目)
Family Phascolarctidae (Koalas) Macropodidae (Kangaroos)
Genus Phascolarctos (Koalas) Macropus (Kangaroos)
Species Phascolarctos cinereus Macropus rufogriseus

Evolutionary Relationship

koala and red-necked wallaby share a common ancestor at the Order level: Diprotodontia. (カンガルー目)

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

red-necked wallaby

LC — Least Concern

Physical Characteristics

Attribute koala red-necked wallaby
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.

red-necked wallaby

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (11 countries) and South America (Colombia).

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。

red-necked wallaby

アカクビワラビー(Macropus rufogriseus)はIUCNレッドリストで軽度懸念(LC)に分類されている。分布域全体で広く豊富に生息し、個体群は安定しており、直接的な保全上の懸念はない。

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