U.S. Fish & Wildlife Service
U.S. Fish & Wildlife Service ECOS
  1. ECOS

Blunt-nosed leopard lizard (Gambelia silus)

Listing Status: Endangered

Where Listed: WHEREVER FOUND

General Information

The blunt-nosed leopard lizard (Gambelia silus) is a relatively large lizard the Iguanidae family. It has a long, regenerative tail, long, powerful hind limbs, and a short, blunt snout. Adult males are slightly larger than females, ranging in size from 3.4 to 4.7 inches in length, excluding tail. Females are 3.4 to 4.4 inches long. Males weigh 1.3 to 1.5 ounces, females 0.8 to 1.2. Although blunt-nosed leopard lizards are darker than other leopard lizards, they exhibit tremendous variation in color and pattern on their backs. Their background color ranges from yellowish or light gray-brown to dark brown, depending on the surrounding soil color and vegetation. Their undersides are uniformly white. They have rows of dark spots across their backs, alternating with white, cream-colored or yellow bands.
Current Listing Status Summary

» Range Information

Current Range
Last Updated: 08-02-2022 - Wherever found
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Current range maps are only shown within the jurisdictional boundaries of the United States of America. The species may also occur outside this region.

  • Wherever found

    Listing status: Endangered

    • States/US Territories in which this population is known to or is believed to occur: California
    • US Counties in which this population is known to or is believed to occur: View All
    • USFWS Refuges in which this population is known to occur: Kern National Wildlife Refuge, Pixley National Wildlife Refuge

» Candidate Information

No Candidate information available for this species.

No Candidate Assessments available for this species.

No Candidate Notice of Review Documents currently available for this species.

No Uplisting Documents currently available for this species.

» Federal Register Documents

Federal Register Documents

» Species Status Assessments (SSAs)

Species Status Assessments (SSAs)
Special Rule Publications

No Special Rule Publications currently available for this species.

» Conservation Plans

» Petitions

No Petitions currently available for this species.

» Biological Opinions

To see all FWS Issued Biological Opinions please visit the BO Report.

» Life History

No Life History information has been entered into this system for this species.

» Other Resources

NatureServe Explorer Species Reports-- NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and Canada. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

ITIS Reports-- ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world.

FWS Digital Media Library -- The U.S. Fish and Wildlife Service's National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video." +

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