koala vs Scarce Blue-tailed Damselfly

Phascolarctos cinereus compared with Ischnura pumilio

Key Differences

  • koala is Vulnerable while Scarce Blue-tailed Damselfly is Least Concern.

Taxonomic Classification

Rank koala Scarce Blue-tailed Damselfly
Kingdom same Animalia (動物) Animalia (動物)
Phylum Chordata (脊索動物) Arthropoda (節足動物)
Class Mammalia (哺乳類) Insecta (昆虫)
Order Diprotodontia (カンガルー目) Odonata (蜻蛉目)
Family Phascolarctidae (Koalas) Coenagrionidae
Genus Phascolarctos (Koalas) Ischnura
Species Phascolarctos cinereus Ischnura pumilio

Evolutionary Relationship

koala and Scarce Blue-tailed Damselfly share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Scarce Blue-tailed Damselfly

LC — Least Concern

Physical Characteristics

Attribute koala Scarce Blue-tailed Damselfly
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.

Scarce Blue-tailed Damselfly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (6 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。

Scarce Blue-tailed Damselfly

アオハダトンボモドキ(Ischnura pumilio)はIUCNレッドリストで軽度懸念(LC)に分類される。分布域全体に広く生息し個体数も豊富で、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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