Chestnut-naped Forktail vs koala

Enicurus ruficapillus compared with Phascolarctos cinereus

Key Differences

Chestnut-naped Forktail is Near Threatened while koala is Vulnerable.

Taxonomic Classification

Rank	Chestnut-naped Forktail	koala
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Passeriformes (Songbirds)	Diprotodontia (Marsupials)
Family	Muscicapidae	Phascolarctidae (Koalas)
Genus	Enicurus	Phascolarctos (Koalas)
Species	Enicurus ruficapillus	Phascolarctos cinereus

Evolutionary Relationship

Chestnut-naped Forktail and koala share a common ancestor at the Phylum level: Chordata. (Chordates)

View Phylum: Chordata

Conservation Status

Chestnut-naped Forktail

NT — Near Threatened

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Chestnut-naped Forktail	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Chestnut-naped Forktail

Habitat

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

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Chestnut-naped Forktail

The Chestnut-naped Forktail (Enicurus ruficapillus) is a species in the genus Enicurus. It is currently classified as Near Threatened 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.