Blakiston's Fish Owl vs koala

Bubo blakistoni compared with Phascolarctos cinereus

Key Differences

• Blakiston's Fish Owl is Endangered while koala is Vulnerable.

Taxonomic Classification

Rank	Blakiston's Fish Owl	koala
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Strigiformes (Owls)	Diprotodontia (Marsupials)
Family	Strigidae (True Owls)	Phascolarctidae (Koalas)
Genus	Bubo (Eagle Owls)	Phascolarctos (Koalas)
Species	Bubo blakistoni	Phascolarctos cinereus

Evolutionary Relationship

Blakiston's Fish Owl and koala share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Blakiston's Fish Owl

EN — Endangered

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Blakiston's Fish Owl	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Blakiston's Fish Owl

Habitat

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

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.

Blakiston's Fish Owl

The Blakiston's Fish Owl (Bubo blakistoni) is a species in the genus Bubo. It is currently classified as Endangered 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.