koala vs Red-cheeked Ground Squirrel

Phascolarctos cinereus compared with Spermophilus erythrogenys

Key Differences

• koala is Vulnerable while Red-cheeked Ground Squirrel is Least Concern.

Taxonomic Classification

Rank	koala	Red-cheeked Ground Squirrel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order	Diprotodontia (Marsupials)	Rodentia (Rodents)
Family	Phascolarctidae (Koalas)	Sciuridae (Squirrels)
Genus	Phascolarctos (Koalas)	Spermophilus
Species	Phascolarctos cinereus	Spermophilus erythrogenys

Evolutionary Relationship

koala and Red-cheeked Ground Squirrel share a common ancestor at the Class level: Mammalia. (mamíferos)

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Red-cheeked Ground Squirrel

LC — Least Concern

Physical Characteristics

Attribute	koala	Red-cheeked Ground Squirrel
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.

Red-cheeked Ground Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

koala

Icónico marsupial del este y sureste de Australia, los koalas pesan hasta 15 kg y pasan hasta 22 horas diarias durmiendo para conservar energía de su dieta de hojas de eucalipto, baja en calorías. Altamente especializados para procesar los compuestos tóxicos del eucalipto que matarían a la mayoría de los demás mamíferos, poseen microbiomas intestinales únicamente adaptados para la desintoxicación. Clasificado como En Peligro en 2022, con poblaciones diezmadas por la enfermedad de clamidia, la deforestación y el cambio climático.