Eastern Willow Spreadwing vs koala

Chalcolestes parvidens compared with Phascolarctos cinereus

Key Differences

• Eastern Willow Spreadwing is Least Concern while koala is Vulnerable.

Taxonomic Classification

Rank	Eastern Willow Spreadwing	koala
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum	Arthropoda (членистоногие)	Chordata (хордовые)
Class	Insecta (насекомые)	Mammalia (млекопитающие)
Order	Odonata (Стрекозы)	Diprotodontia (двурезцовые сумчатые)
Family	Lestidae	Phascolarctidae (Koalas)
Genus	Chalcolestes	Phascolarctos (Koalas)
Species	Chalcolestes parvidens	Phascolarctos cinereus

Evolutionary Relationship

Eastern Willow Spreadwing and koala share a common ancestor at the Kingdom level: Animalia. (животные)

Conservation Status

Eastern Willow Spreadwing

LC — Least Concern

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Eastern Willow Spreadwing	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Eastern Willow Spreadwing

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

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.

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.