Gila Monster

LC Carnivore Deserts, Scrubland
Up to 2.3 kg
Weight
Up to 20 yrs
Lifespan
N/A
Top Speed
Mexico Southwestern United States, Mexico
Found In

Documented in 2 U.S. National Parks

The Gila Monster has 2 field records across 2 parks in the National Park Service biodiversity database, listed as native in 2 records.

Park Nativeness Abundance T&E Status
Grand Canyon National Park Native Rare Resolved Taxonomy
Zion National Park Native Unknown Resolved Taxonomy

State / Federal Listings

Listed as threatened, endangered, or rare in 2 park records.

Size, Speed & Lifespan

Metric Gila Monster Carnivore Reptiles Median Difference
Weight 2.3 kg 90 kg ↓ 97%
Height 60 cm
Avg Speed 1.5 km/h
Lifespan 20 yrs 23.8 yrs ↓ 16%
Weight (kg)2.3avg 90Lifespan (yrs)20avg 23.8

Range Across 2 Regions

Habitat: Deserts, Scrubland
Found In: Southwestern United States, Mexico Mexico
Coloration: Black, Orange

Behavior

Natural Predators

Social Structure

Recorded as Solitary.

Reproduction & Lifespan

Gestation Period: 120–150 days
Lifespan: Up to 20 years

Population & Outlook

LC Listed as Least Concern on the IUCN Red List — one of 66 species in this database with the same status.

Weight Rank Among Least Concern Species

Ranked #44 of 66 by typical adult weight.

# Species Weight Status
42 Secretary Bird 2.3–4.5 kg LC
43 Blue-Footed Booby 1.5–3 kg LC
44 Gila Monster Up to 2.3 kg LC
45 Malayan Krait Up to 2.2 kg LC
46 Snowy Owl 1.6–3.3 kg LC
47 Emperor Tamarin 300–400 g LC

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