Alpine Bladder-fern vs koala

Cystopteris alpina compared with Phascolarctos cinereus

Key Differences

Alpine Bladder-fern is Near Threatened while koala is Vulnerable.

Taxonomic Classification

Rank	Alpine Bladder-fern	koala
Kingdom	Plantae (thực vật)	Animalia (động vật)
Phylum	Tracheophyta	Chordata (động vật có dây sống)
Class	Polypodiopsida (Lớp Dương xỉ)	Mammalia (lớp Thú)
Order	Polypodiales (Bộ Dương xỉ)	Diprotodontia (Thú hai răng trước)
Family	Cystopteridaceae	Phascolarctidae (Koalas)
Genus	Cystopteris	Phascolarctos (Koalas)
Species	Cystopteris alpina	Phascolarctos cinereus

Conservation Status

Alpine Bladder-fern

NT — Near Threatened

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Alpine Bladder-fern	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Alpine Bladder-fern

Habitat

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

Range

Distributed across Norway and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Alpine Bladder-fern

The Alpine Bladder-fern (Cystopteris alpina) is a species in the genus Cystopteris. It is currently classified as Near Threatened on the IUCN Red List. Typically found in moist, shaded forest floors and tropical canopies. Distributed across Norway and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

koala

Iconic marsupial of eastern and southeastern Australia, koalas weigh up to 15 kg and spend up to 22 hours daily sleeping to conserve energy from their low-calorie eucalyptus leaf diet. Highly specialized to process toxic eucalyptus compounds that would kill most other mammals, they have gut microbiomes uniquely adapted for detoxification. Listed as Endangered in 2022, with populations decimated by chlamydia disease, habitat clearing, and climate change.