Clouded Yellow vs koala

Colias croceus compared with Phascolarctos cinereus

Key Differences

• Clouded Yellow is Least Concern while koala is Vulnerable.

Taxonomic Classification

Rank	Clouded Yellow	koala
Kingdom same	Animalia (प्राणी)	Animalia (प्राणी)
Phylum	Arthropoda (सन्धिपाद)	Chordata (रज्जुकी)
Class	Insecta (कीट)	Mammalia (स्तनधारी)
Order	Lepidoptera (शल्कपंखी गण)	Diprotodontia (डाएप्रोटोडोंटिया)
Family	Pieridae	Phascolarctidae (Koalas)
Genus	Colias	Phascolarctos (Koalas)
Species	Colias croceus	Phascolarctos cinereus

Evolutionary Relationship

Clouded Yellow and koala share a common ancestor at the Kingdom level: Animalia. (प्राणी)

Conservation Status

Clouded Yellow

LC — Least Concern

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Clouded Yellow	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Clouded Yellow

Habitat

Inhabits Mediterranean forests and woodlands within the Palearctic biogeographic realm.

Range

Found across Asia (Cyprus) and Europe (40 countries).

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.

Clouded Yellow

Clouded Yellow (Colias croceus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

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.