American bison vs koala

Bison bison compared with Phascolarctos cinereus

Key Differences

• American bison is Not Evaluated while koala is Vulnerable.

Taxonomic Classification

Rank	American bison	koala
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class same	Mammalia (млекопитающие)	Mammalia (млекопитающие)
Order	Artiodactyla (парнокопытные)	Diprotodontia (двурезцовые сумчатые)
Family	Bovidae (Bovids)	Phascolarctidae (Koalas)
Genus	Bison	Phascolarctos (Koalas)
Species	Bison bison	Phascolarctos cinereus

Evolutionary Relationship

American bison and koala share a common ancestor at the Class level: Mammalia. (млекопитающие)

Conservation Status

American bison

NE — Not Evaluated

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	American bison	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

American bison

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

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.

American bison

The American bison (Bison bison) is a species in the genus Bison. Typically found in diverse terrestrial and aquatic ecosystems.

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.