koala vs Saltwater Crocodile

Phascolarctos cinereus compared with Crocodylus porosus

Key Differences

koala is Vulnerable while Saltwater Crocodile is Least Concern.
koala is herbivore while Saltwater Crocodile is carnivore.
Saltwater Crocodile is 100.0x heavier than koala.
Saltwater Crocodile lives longer (70 years vs 15 years).

Taxonomic Classification

Rank	koala	Saltwater Crocodile
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class	Mammalia (포유류)	Reptilia (파충류)
Order	Diprotodontia (캥거루목)	Crocodylia (Crocodilians)
Family	Phascolarctidae (Koalas)	Crocodylidae (Crocodiles)
Genus	Phascolarctos (Koalas)	Crocodylus (True Crocodiles)
Species	Phascolarctos cinereus	Crocodylus porosus

Evolutionary Relationship

koala and Saltwater Crocodile share a common ancestor at the Phylum level: Chordata. (척삭동물)

보기 Phylum: Chordata

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Saltwater Crocodile

LC — Least Concern

Population: ~300.0K

Trend: Stable →

Physical Characteristics

Attribute	koala	Saltwater Crocodile
Diet	Herbivore	Carnivore
Average Lifespan	15 years	70 years
Average Length	75 cm	6.0 m
Average Weight	10.0 kg	1.0 t

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.

Saltwater Crocodile

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Distributed across Australia, India, Indonesia, Malaysia, and Philippines.

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.