Bearded seal vs koala

Erignathus barbatus compared with Phascolarctos cinereus

Key Differences

• Bearded seal is Not Evaluated while koala is Vulnerable.

Taxonomic Classification

Rank	Bearded seal	koala
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Pinnipedia (Seals & Sea Lions)	Diprotodontia (Marsupials)
Family	Phocidae (True Seals)	Phascolarctidae (Koalas)
Genus	Erignathus	Phascolarctos (Koalas)
Species	Erignathus barbatus	Phascolarctos cinereus

Evolutionary Relationship

Bearded seal and koala share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Bearded seal

NE — Not Evaluated

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Bearded seal	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Bearded seal

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Norway and Sweden.

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.

Bearded seal

The Bearded seal (Erignathus barbatus) is a species in the genus Erignathus. Typically found in diverse terrestrial and aquatic ecosystems.

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.