koala vs Красноглазый виреон

Phascolarctos cinereus compared with Vireo olivaceus

Key Differences

• koala is Vulnerable while Красноглазый виреон is Least Concern.

Taxonomic Classification

Rank	koala	Красноглазый виреон
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class	Mammalia (млекопитающие)	Aves (птицы)
Order	Diprotodontia (двурезцовые сумчатые)	Passeriformes (воробьинообразные)
Family	Phascolarctidae (Koalas)	Vireonidae
Genus	Phascolarctos (Koalas)	Vireo
Species	Phascolarctos cinereus	Vireo olivaceus

Evolutionary Relationship

koala and Красноглазый виреон share a common ancestor at the Phylum level: Chordata. (хордовые)

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Красноглазый виреон

LC — Least Concern

Physical Characteristics

Attribute	koala	Красноглазый виреон
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.

Красноглазый виреон

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

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.

Красноглазый виреон

Red-Eyed Vireo (Vireo olivaceus) 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.