Gila Monster vs gray wolf

Heloderma suspectum compared with Canis lupus

Key Differences

• Gila Monster is Near Threatened while gray wolf is Critically Endangered.
• gray wolf is 64.3x heavier than Gila Monster.
• Gila Monster lives longer (20 years vs 13 years).

Taxonomic Classification

Rank	Gila Monster	gray wolf
Kingdom same	Animalia (hewan)	Animalia (hewan)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Reptilia (Reptil)	Mammalia (mamalia)
Order	Squamata (Lizards & Snakes)	Carnivora (Carnivorans)
Family	Varanidae (Monitor Lizards)	Canidae (Dogs & Wolves)
Genus	Varanus (Monitor Lizards)	Canis (Dogs & Wolves)
Species	Heloderma suspectum	Canis lupus

Evolutionary Relationship

Gila Monster and gray wolf share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gila Monster

NT — Near Threatened

Trend: Stable →

gray wolf

CR — Critically Endangered

Population: ~300.0K

Trend: Stable →

Physical Characteristics

Attribute	Gila Monster	gray wolf
Diet	Carnivore	Carnivore
Average Lifespan	20 years	13 years
Average Length	50 cm	1.6 m
Average Weight	700 g	45.0 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.

gray wolf

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, deserts and xeric shrublands, and tropical and subtropical dry broadleaf forests, among 13 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Seychelles), Asia (Japan), Europe (5 countries), North America (7 countries), Oceania and the Pacific (Marshall Islands, Vanuatu), and South America (5 countries). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Gila Monster

The Gila monster is a venomous lizard native to the southwestern United States and Mexico. It is one of only a few venomous lizards.

gray wolf

The most widely distributed wild canid, gray wolves range from North America across Eurasia in diverse habitats including tundra, forests, and grasslands. Highly social animals living in family packs led by a dominant breeding pair. As keystone predators, wolves regulate prey populations and profoundly shape ecosystem structure, as demonstrated by their reintroduction in Yellowstone. Once heavily persecuted, populations are recovering in many regions.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States