koala vs Willow Ptarmigan / Red Grouse

Phascolarctos cinereus compared with Lagopus lagopus

Key Differences

• koala is Vulnerable while Willow Ptarmigan / Red Grouse is Near Threatened.

Taxonomic Classification

Rank	koala	Willow Ptarmigan / Red Grouse
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class	Mammalia (포유류)	Aves (새)
Order	Diprotodontia (캥거루목)	Galliformes (닭목)
Family	Phascolarctidae (Koalas)	Phasianidae
Genus	Phascolarctos (Koalas)	Lagopus
Species	Phascolarctos cinereus	Lagopus lagopus

Evolutionary Relationship

koala and Willow Ptarmigan / Red Grouse share a common ancestor at the Phylum level: Chordata. (척삭동물)

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Willow Ptarmigan / Red Grouse

NT — Near Threatened

Physical Characteristics

Attribute	koala	Willow Ptarmigan / Red Grouse
Diet	Herbivore	—
Average Lifespan	15 years	—
Average Length	75 cm	—
Average Weight	10.0 kg	—

Habitat & Geographic Range

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.

Willow Ptarmigan / Red Grouse

Habitat

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

Range

Distributed across Belgium, France, Norway, Sweden, and United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

koala

호주 동부와 동남부의 상징적인 유대류로, 체중이 최대 15kg이며 저칼로리인 유칼립투스 잎 식단에서 에너지를 절약하기 위해 하루 최대 22시간을 잠으로 보낸다. 대부분의 다른 포유류를 죽일 수 있는 유독한 유칼립투스 성분을 처리하도록 고도로 특화되어, 해독에 특별히 적응된 장내 미생물총을 지닌다. 2022년 기후 변화, 서식지 개발, 클라미디아 감염으로 인한 개체수 감소로 위기종으로 지정되었다.