Gray-headed Fish-Eagle vs koala

Haliaeetus ichthyaetus compared with Phascolarctos cinereus

Key Differences

• Gray-headed Fish-Eagle is Not Evaluated while koala is Vulnerable.

Taxonomic Classification

Rank	Gray-headed Fish-Eagle	koala
Kingdom same	Animalia (hayvan)	Animalia (hayvan)
Phylum same	Chordata (Kordalılar)	Chordata (Kordalılar)
Class	Aves (kuş)	Mammalia (memeliler)
Order	Accipitriformes (Hawks & Eagles)	Diprotodontia (İki ön dişliler)
Family	Accipitridae (Hawks & Eagles)	Phascolarctidae (Koalas)
Genus	Haliaeetus (Sea Eagles)	Phascolarctos (Koalas)
Species	Haliaeetus ichthyaetus	Phascolarctos cinereus

Evolutionary Relationship

Gray-headed Fish-Eagle and koala share a common ancestor at the Phylum level: Chordata. (Kordalılar)

Conservation Status

Gray-headed Fish-Eagle

NE — Not Evaluated

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Gray-headed Fish-Eagle	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Gray-headed Fish-Eagle

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.

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.