Polar bear vs Veiled Chameleon

Ursus maritimus compared with Chamaeleo calyptratus

Key Differences

Polar bear is Vulnerable while Veiled Chameleon is Least Concern.
Polar bear is carnivore while Veiled Chameleon is omnivore.
Polar bear is 2250.0x heavier than Veiled Chameleon.
Polar bear lives longer (25 years vs 5 years).

Taxonomic Classification

Rank	Polar bear	Veiled Chameleon
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Reptilia (สัตว์เลื้อยคลาน)
Order	Carnivora (สัตว์กินเนื้อ)	Squamata (อันดับกิ้งก่าและงู)
Family	Ursidae (Bears)	Chamaeleonidae (Chameleons)
Genus	Ursus (Bears)	Chamaeleo (Chameleons)
Species	Ursus maritimus	Chamaeleo calyptratus

Evolutionary Relationship

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

ดู: Phylum: Chordata

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Veiled Chameleon

LC — Least Concern

Trend: Stable →

Physical Characteristics

Attribute	Polar bear	Veiled Chameleon
Diet	Carnivore	Omnivore
Average Lifespan	25 years	5 years
Average Length	2.4 m	50 cm
Average Weight	450.0 kg	200 g

Habitat & Geographic 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.

Veiled Chameleon

Habitat

Typically found in a wide range of habitat types.

Range

Distributed across Saudi Arabia and Yemen.

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.