koala vs Grèbe de Nouvelle-Zélande

Phascolarctos cinereus compared with Poliocephalus rufopectus

Key Differences

• koala is Vulnerable while Grèbe de Nouvelle-Zélande is Least Concern.

Taxonomic Classification

Rank	koala	Grèbe de Nouvelle-Zélande
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (mammifères)	Aves (oiseau)
Order	Diprotodontia (Marsupials)	Podicipediformes (Podicipediformes)
Family	Phascolarctidae (Koalas)	Podicipedidae
Genus	Phascolarctos (Koalas)	Poliocephalus
Species	Phascolarctos cinereus	Poliocephalus rufopectus

Evolutionary Relationship

koala and Grèbe de Nouvelle-Zélande share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Grèbe de Nouvelle-Zélande

LC — Least Concern

Physical Characteristics

Attribute	koala	Grèbe de Nouvelle-Zélande
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.

Grèbe de Nouvelle-Zélande

Habitat

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

Range

Found in Norway.

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.