King/Common Eider vs koala

Somateria spectabilis compared with Phascolarctos cinereus

Key Differences

• King/Common Eider is Not Evaluated while koala is Vulnerable.

Taxonomic Classification

Rank	King/Common Eider	koala
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class	Aves (chim)	Mammalia (lớp Thú)
Order	Anseriformes (bộ Ngỗng)	Diprotodontia (Thú hai răng trước)
Family	Anatidae	Phascolarctidae (Koalas)
Genus	Somateria	Phascolarctos (Koalas)
Species	Somateria spectabilis	Phascolarctos cinereus

Evolutionary Relationship

King/Common Eider and koala share a common ancestor at the Phylum level: Chordata. (động vật có dây sống)

Conservation Status

King/Common Eider

NE — Not Evaluated

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

King/Common Eider

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

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.

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.