Blue-gray Robin vs koala

Peneothello cyanus compared with Phascolarctos cinereus

Key Differences

• Blue-gray Robin is Least Concern while koala is Vulnerable.

Taxonomic Classification

Rank	Blue-gray Robin	koala
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Passeriformes (Songbirds)	Diprotodontia (Marsupials)
Family	Petroicidae	Phascolarctidae (Koalas)
Genus	Peneothello	Phascolarctos (Koalas)
Species	Peneothello cyanus	Phascolarctos cinereus

Evolutionary Relationship

Blue-gray Robin and koala share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Blue-gray Robin

LC — Least Concern

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Blue-gray Robin	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Blue-gray Robin

Habitat

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

Range

Found in Norway.

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.

Blue-gray Robin

The Blue Gray Robin (Peneothello cyanus) is a species in the genus Peneothello. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

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.