Koala vs Gelbbrauner Zahnspinner

Phascolarctos cinereus compared with Notodonta torva

Key Differences

• Koala is Vulnerable while Gelbbrauner Zahnspinner is Least Concern.

Taxonomic Classification

Rank	Koala	Gelbbrauner Zahnspinner
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Chordata (Chordatiere)	Arthropoda (Gliederfüßer)
Class	Mammalia (Säugetiere)	Insecta (Insekten)
Order	Diprotodontia (Marsupials)	Lepidoptera (Schmetterlinge)
Family	Phascolarctidae (Koalas)	Notodontidae
Genus	Phascolarctos (Koalas)	Notodonta
Species	Phascolarctos cinereus	Notodonta torva

Evolutionary Relationship

Koala and Gelbbrauner Zahnspinner share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

Koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Gelbbrauner Zahnspinner

LC — Least Concern

Physical Characteristics

Attribute	Koala	Gelbbrauner Zahnspinner
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.

Gelbbrauner Zahnspinner

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (4 countries) and North America (Canada, 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.