koala vs St Helenian Three-banded Grass-miner

Phascolarctos cinereus compared with Elachista trifasciata

Key Differences

• koala is Vulnerable while St Helenian Three-banded Grass-miner is Critically Endangered.

Taxonomic Classification

Rank	koala	St Helenian Three-banded Grass-miner
Kingdom same	Animalia (hayvan)	Animalia (hayvan)
Phylum	Chordata (Kordalılar)	Arthropoda (Eklem bacaklılar)
Class	Mammalia (memeliler)	Insecta (böcek)
Order	Diprotodontia (İki ön dişliler)	Lepidoptera (Pul kanatlılar)
Family	Phascolarctidae (Koalas)	Elachistidae
Genus	Phascolarctos (Koalas)	Elachista
Species	Phascolarctos cinereus	Elachista trifasciata

Evolutionary Relationship

koala and St Helenian Three-banded Grass-miner share a common ancestor at the Kingdom level: Animalia. (hayvan)

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

St Helenian Three-banded Grass-miner

CR — Critically Endangered

Physical Characteristics

Attribute	koala	St Helenian Three-banded Grass-miner
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.

St Helenian Three-banded Grass-miner

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

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.