Beautiful Demoiselle vs koala

Calopteryx virgo compared with Phascolarctos cinereus

Key Differences

• Beautiful Demoiselle is Endangered while koala is Vulnerable.

Taxonomic Classification

Rank	Beautiful Demoiselle	koala
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Arthropoda (节肢动物门)	Chordata (脊索动物门)
Class	Insecta (昆蟲綱)	Mammalia (哺乳動物)
Order	Odonata (蜻蜓目)	Diprotodontia (雙門齒目)
Family	Calopterygidae	Phascolarctidae (Koalas)
Genus	Calopteryx	Phascolarctos (Koalas)
Species	Calopteryx virgo	Phascolarctos cinereus

Evolutionary Relationship

Beautiful Demoiselle and koala share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

Beautiful Demoiselle

EN — Endangered

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Beautiful Demoiselle	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Beautiful Demoiselle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (6 countries). Currently classified as Endangered 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.

Beautiful Demoiselle

美丽色蟌（Calopteryx virgo）在IUCN红色名录中被列为濒危（EN）。在野外面临高度灭绝风险，种群数量显著下降，持续受到生存威胁。

koala

澳大利亚东部和东南部的标志性有袋类动物，体重最大可达15千克，为了节省低热量桉树叶食物所提供的能量，每天最多睡眠22小时。高度特化，能够处理会致大多数其他哺乳动物死亡的有毒桉树成分，拥有专门适应解毒功能的肠道微生物群。因衣原体病、栖息地开发和气候变化导致种群锐减，2022年被列为濒危物种。