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 (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class	Mammalia (哺乳動物)	Reptilia (爬行纲)
Order	Carnivora (食肉目)	Squamata (有鱗目)
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. (脊索动物门)

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

北极熊是地球上最大的陆地食肉动物，体重可超过700千克，分布于从加拿大到俄罗斯的北极海冰区。是高度特化的海洋哺乳动物，依赖海冰捕猎环斑海豹和髯海豹。是优秀的游泳者，能够横渡广阔的开阔水域。被列为易危种，因气候变化导致北极海冰迅速减少，种群正受到严重威胁。

Veiled Chameleon

面纱变色龙(Chamaeleo calyptratus)是原产于也门和沙特阿拉伯的大型变色龙物种，作为异域宠物颇受欢迎。