koala vs limestone fern

Phascolarctos cinereus compared with Gymnocarpium robertianum

Key Differences

• koala is Vulnerable while limestone fern is Critically Endangered.

Taxonomic Classification

Rank	koala	limestone fern
Kingdom	Animalia (动物界)	Plantae (植物)
Phylum	Chordata (脊索动物门)	Tracheophyta
Class	Mammalia (哺乳動物)	Polypodiopsida (水龍骨綱)
Order	Diprotodontia (雙門齒目)	Polypodiales (水龙骨目)
Family	Phascolarctidae (Koalas)	Cystopteridaceae
Genus	Phascolarctos (Koalas)	Gymnocarpium
Species	Phascolarctos cinereus	Gymnocarpium robertianum

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

limestone fern

CR — Critically Endangered

Physical Characteristics

Attribute	koala	limestone fern
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.

limestone fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Distributed across Belgium, Canada, Norway, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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。