Gila Monster vs Polar bear

Heloderma suspectum compared with Ursus maritimus

Key Differences

• Gila Monster is Near Threatened while Polar bear is Vulnerable.
• Polar bear is 642.9x heavier than Gila Monster.
• Polar bear lives longer (25 years vs 20 years).

Taxonomic Classification

Rank	Gila Monster	Polar bear
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	Reptilia (爬行纲)	Mammalia (哺乳動物)
Order	Squamata (有鱗目)	Carnivora (食肉目)
Family	Varanidae (Monitor Lizards)	Ursidae (Bears)
Genus	Varanus (Monitor Lizards)	Ursus (Bears)
Species	Heloderma suspectum	Ursus maritimus

Evolutionary Relationship

Gila Monster and Polar bear share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

Gila Monster

NT — Near Threatened

Trend: Stable →

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Gila Monster	Polar bear
Diet	Carnivore	Carnivore
Average Lifespan	20 years	25 years
Average Length	50 cm	2.4 m
Average Weight	700 g	450.0 kg

Habitat & Geographic Range

Gila Monster

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Distributed across Mexico and United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Gila Monster

希拉毒蜥（Heloderma suspectum）是原产于美国西南部和墨西哥的毒蜥。它是少数几种有毒蜥蜴之一。

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。