Common Eider vs koala

Somateria mollissima compared with Phascolarctos cinereus

Key Differences

Common Eider is Near Threatened while koala is Vulnerable.

Taxonomic Classification

Rank	Common Eider	koala
Kingdom same	Animalia (hewan)	Animalia (hewan)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (burung)	Mammalia (mamalia)
Order	Anseriformes (Anseriformes)	Diprotodontia (Marsupials)
Family	Anatidae	Phascolarctidae (Koalas)
Genus	Somateria	Phascolarctos (Koalas)
Species	Somateria mollissima	Phascolarctos cinereus

Evolutionary Relationship

Common Eider and koala share a common ancestor at the Phylum level: Chordata. (Chordates)

Lihat Phylum: Chordata

Conservation Status

Common Eider

NT — Near Threatened

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Common Eider	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Common Eider

Habitat

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

Range

Found across Europe (5 countries) and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Common Eider

Common Eider (Somateria mollissima) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

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.