koala vs Mudworm

Phascolarctos cinereus compared with Aporrectodea limicola

Key Differences

• koala is Vulnerable while Mudworm is Not Evaluated.

Taxonomic Classification

Rank	koala	Mudworm
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Annelida (Segmented Worms)
Class	Mammalia (Mammals)	Clitellata (Clitellata)
Order	Diprotodontia (Marsupials)	Crassiclitellata (Crassiclitellata)
Family	Phascolarctidae (Koalas)	Lumbricidae
Genus	Phascolarctos (Koalas)	Aporrectodea
Species	Phascolarctos cinereus	Aporrectodea limicola

Evolutionary Relationship

koala and Mudworm share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Mudworm

NE — Not Evaluated

Physical Characteristics

Attribute	koala	Mudworm
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.

Mudworm

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Norway, Sweden, and United States.

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.