koala vs Komodo Dragon

Phascolarctos cinereus compared with Varanus komodoensis

Key Differences

koala is Vulnerable while Komodo Dragon is Endangered.
koala is herbivore while Komodo Dragon is carnivore.
Komodo Dragon is 7.0x heavier than koala.
Komodo Dragon lives longer (30 years vs 15 years).

Taxonomic Classification

Rank	koala	Komodo Dragon
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Reptilia (สัตว์เลื้อยคลาน)
Order	Diprotodontia (Marsupials)	Squamata (อันดับกิ้งก่าและงู)
Family	Phascolarctidae (Koalas)	Varanidae (Monitor Lizards)
Genus	Phascolarctos (Koalas)	Varanus (Monitor Lizards)
Species	Phascolarctos cinereus	Varanus komodoensis

Evolutionary Relationship

koala and Komodo Dragon share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

ดู: Phylum: Chordata

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Komodo Dragon

EN — Endangered

Population: ~3.5K

Trend: Stable →

Physical Characteristics

Attribute	koala	Komodo Dragon
Diet	Herbivore	Carnivore
Average Lifespan	15 years	30 years
Average Length	75 cm	2.6 m
Average Weight	10.0 kg	70.0 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.

Komodo Dragon

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 4 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Indonesia. Currently classified as Endangered 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.