Komodo Dragon vs Polar bear

Varanus komodoensis compared with Ursus maritimus

Key Differences

• Komodo Dragon is Endangered while Polar bear is Vulnerable.
• Polar bear is 6.4x heavier than Komodo Dragon.
• Komodo Dragon lives longer (30 years vs 25 years).

Taxonomic Classification

Rank	Komodo Dragon	Polar bear
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Reptilia (สัตว์เลื้อยคลาน)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Squamata (อันดับกิ้งก่าและงู)	Carnivora (สัตว์กินเนื้อ)
Family	Varanidae (Monitor Lizards)	Ursidae (Bears)
Genus	Varanus (Monitor Lizards)	Ursus (Bears)
Species	Varanus komodoensis	Ursus maritimus

Evolutionary Relationship

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

Conservation Status

Komodo Dragon

EN — Endangered

Population: ~3.5K

Trend: Stable →

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Komodo Dragon	Polar bear
Diet	Carnivore	Carnivore
Average Lifespan	30 years	25 years
Average Length	2.6 m	2.4 m
Average Weight	70.0 kg	450.0 kg

Habitat & Geographic 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.

Polar bear

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Komodo Dragon

The Komodo dragon is the largest living lizard. It is found only on a few Indonesian islands.

Polar bear

The largest land carnivore on Earth, polar bears can exceed 700 kg and are found across Arctic sea ice from Canada to Russia. Highly specialized marine mammals that rely on sea ice to hunt ringed and bearded seals. Excellent swimmers capable of covering vast distances in open water. Listed as Vulnerable, with populations under severe pressure from rapid Arctic sea ice loss due to climate change.