koala vs Collalba norteña

Phascolarctos cinereus compared with Oenanthe oenanthe

Key Differences

• koala is Vulnerable while Collalba norteña is Critically Endangered.

Taxonomic Classification

Rank	koala	Collalba norteña
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Aves (Birds)
Order	Diprotodontia (Marsupials)	Passeriformes (paseriformes)
Family	Phascolarctidae (Koalas)	Muscicapidae
Genus	Phascolarctos (Koalas)	Oenanthe
Species	Phascolarctos cinereus	Oenanthe oenanthe

Evolutionary Relationship

koala and Collalba norteña share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Collalba norteña

CR — Critically Endangered

Physical Characteristics

Attribute	koala	Collalba norteña
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.

Collalba norteña

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 8 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (6 countries) and North America (United States). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Collalba norteña

El collalba gris (Oenanthe oenanthe) esta clasificado como En Peligro Critico (CR) en la Lista Roja de la UICN. Enfrenta un riesgo extremadamente alto de extincion en estado silvestre debido al severo declive poblacional y la perdida de habitat.