brown argus vs koala

Aricia agestis compared with Phascolarctos cinereus

Key Differences

• brown argus is Least Concern while koala is Vulnerable.

Taxonomic Classification

Rank	brown argus	koala
Kingdom same	Animalia (hayvan)	Animalia (hayvan)
Phylum	Arthropoda (Eklem bacaklılar)	Chordata (Kordalılar)
Class	Insecta (böcek)	Mammalia (memeliler)
Order	Lepidoptera (Pul kanatlılar)	Diprotodontia (İki ön dişliler)
Family	Lycaenidae	Phascolarctidae (Koalas)
Genus	Aricia	Phascolarctos (Koalas)
Species	Aricia agestis	Phascolarctos cinereus

Evolutionary Relationship

brown argus and koala share a common ancestor at the Kingdom level: Animalia. (hayvan)

Conservation Status

brown argus

LC — Least Concern

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	brown argus	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

brown argus

Habitat

Inhabits Mediterranean forests and woodlands within the Palearctic biogeographic realm.

Range

Found across Asia (Cyprus) and Europe (33 countries).

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.

brown argus

brown argus (Aricia agestis) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

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.