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 (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Reptilia (爬虫類)	Mammalia (哺乳類)
Order	Squamata (有鱗目)	Carnivora (ネコ目)
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. (脊索動物)

表示 Phylum: Chordata

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

ドクトカゲ（Heloderma suspectum）は米国南西部とメキシコが原産地の毒を持つトカゲである。毒を持つ少数のトカゲの一つである。

Polar bear

地球上で最大の陸上肉食動物であるホッキョクグマは700kgを超えることがあり、カナダからロシアまでの北極海氷域全体に分布する。ワモンアザラシとヒゲアザラシを狩るために海氷に依存する高度に特化した海洋哺乳類である。広大な距離を泳ぐことができる優れた泳者でもある。脆弱種に指定されており、気候変動による急激な北極海氷の消失で個体群が深刻な圧力を受けている。