Bamboo bear vs koala

Ailuropoda melanoleuca compared with Phascolarctos cinereus

Key Differences

  • Bamboo bear is 10.0x heavier than koala.
  • Bamboo bear lives longer (20 years vs 15 years).

Taxonomic Classification

Rank Bamboo bear 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 Carnivora (ネコ目) Diprotodontia (カンガルー目)
Family Ursidae (Bears) Phascolarctidae (Koalas)
Genus Ailuropoda (Giant Pandas) Phascolarctos (Koalas)
Species Ailuropoda melanoleuca Phascolarctos cinereus

Evolutionary Relationship

Bamboo bear and koala share a common ancestor at the Class level: Mammalia. (哺乳類)

Conservation Status

Bamboo bear

VU — Vulnerable

Population: ~1.9K

Trend: Increasing ↑

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute Bamboo bear koala
Diet Herbivore Herbivore
Average Lifespan 20 years 15 years
Average Length 1.5 m 75 cm
Average Weight 100.0 kg 10.0 kg

Habitat & Geographic Range

Bamboo bear

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate coniferous forests, and temperate broadleaf and mixed forests, among 7 distinct biome types spanning the Indomalayan and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in China. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its 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.

Bamboo bear

ジャイアントパンダ(Ailuropoda melanoleuca)は中国中部の山岳竹林に生息し、体重最大125キログラムになるクマ科の動物で、食肉目に分類されながら食事の99%を竹が占める特異な食性を持つ。偽の親指(橈側種子骨)を使って竹の茎を把握し、1日14時間もの採食時間を費やす。2016年にIUCNレッドリストで絶滅危惧から危急(VU)へ改善されており、保護繁殖プログラムと自然保護区の設置が個体数回復に貢献している。

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。

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