koala vs Nees’ Hornwort

Phascolarctos cinereus compared with Anthoceros neesii

Key Differences

• koala is Vulnerable while Nees’ Hornwort is Endangered.

Taxonomic Classification

Rank	koala	Nees’ Hornwort
Kingdom	Animalia (động vật)	Plantae (thực vật)
Phylum	Chordata (động vật có dây sống)	Anthocerotophyta
Class	Mammalia (lớp Thú)	Anthocerotopsida (Anthocerotopsida)
Order	Diprotodontia (Thú hai răng trước)	Anthocerotales (Anthocerotales)
Family	Phascolarctidae (Koalas)	Anthocerotaceae
Genus	Phascolarctos (Koalas)	Anthoceros
Species	Phascolarctos cinereus	Anthoceros neesii

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Nees’ Hornwort

EN — Endangered

Physical Characteristics

Attribute	koala	Nees’ Hornwort
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.

Nees’ Hornwort

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

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

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.