oreillard roux, oreillard commun, oreillard septentrional vs koala

Plecotus auritus compared with Phascolarctos cinereus

Key Differences

• oreillard roux, oreillard commun, oreillard septentrional is Near Threatened while koala is Vulnerable.

Taxonomic Classification

Rank	oreillard roux, oreillard commun, oreillard septentrional	koala
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (mammifères)	Mammalia (mammifères)
Order	Chiroptera (Bats)	Diprotodontia (Marsupials)
Family	Vespertilionidae	Phascolarctidae (Koalas)
Genus	Plecotus	Phascolarctos (Koalas)
Species	Plecotus auritus	Phascolarctos cinereus

Evolutionary Relationship

oreillard roux, oreillard commun, oreillard septentrional and koala share a common ancestor at the Class level: Mammalia. (mammifères)

Conservation Status

oreillard roux, oreillard commun, oreillard septentrional

NT — Near Threatened

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	oreillard roux, oreillard commun, oreillard septentrional	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

oreillard roux, oreillard commun, oreillard septentrional

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries). 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.

oreillard roux, oreillard commun, oreillard septentrional

common long-eared bat (Plecotus auritus) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

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.