Koala vs Rothalstaucher

Phascolarctos cinereus compared with Podiceps grisegena

Key Differences

Koala is Vulnerable while Rothalstaucher is Not Evaluated.

Taxonomic Classification

Rank	Koala	Rothalstaucher
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class	Mammalia (Säugetiere)	Aves (Vögel)
Order	Diprotodontia (Marsupials)	Podicipediformes (Lappentaucher)
Family	Phascolarctidae (Koalas)	Podicipedidae
Genus	Phascolarctos (Koalas)	Podiceps
Species	Phascolarctos cinereus	Podiceps grisegena

Evolutionary Relationship

Koala and Rothalstaucher share a common ancestor at the Phylum level: Chordata. (Chordatiere)

Ansehen Phylum: Chordata

Conservation Status

Koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Rothalstaucher

NE — Not Evaluated

Physical Characteristics

Attribute	Koala	Rothalstaucher
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.

Rothalstaucher

Habitat

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

Range

Found across Europe (5 countries) and North America (United States).

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.

Rothalstaucher

Red-Necked Grebe (Podiceps grisegena) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.