Blunt-Nosed Leopard lizard (Gambelia silus)

Federal Register | Recovery | Critical Habitat | Conservation Plans | Petitions | Life History

Listing Status:   

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.

  • States/US Territories in which the Blunt-Nosed Leopard lizard, Wherever found is known to or is believed to occur:  California
  • US Counties in which the Blunt-Nosed Leopard lizard, Wherever found is known to or is believed to occur:  View All
  • USFWS Refuges in which the Blunt-Nosed Leopard lizard, Wherever found is known to occur:  Kern National Wildlife Refuge, Pixley National Wildlife Refuge
 
Current Listing Status Summary
Status Date Listed Lead Region Where Listed
03/11/1967 California/Nevada Region (Region 8) Wherever found

» Federal Register Documents

Federal Register Documents
Date Citation Page Title
03/11/1967 32 FR 4001 Endangered Species List - 1967
05/21/2010 75 FR 28636 28642 Initiation of 5-Year Reviews of 34 Species in California and Nevada; Availability of 96 Completed 5-Year Reviews in California and Nevada
03/22/2006 71 FR 14538 14542 Initiation of 5-Year Reviews of 56 Species in California and Nevada: Notice of review.

» Recovery

Current Recovery Plan(s)
Date Title Plan Action Status Plan Status
09/30/1998 Recovery Plan for Upland Species of the San Joaquin Valley, California View Implementation Progress Final
Other Recovery Documents
Date Citation Page Title Document Type
03/22/2006 71 FR 14538 14542 Initiation of 5-Year Reviews of 56 Species in California and Nevada: Notice of review.
  • Notice 5-year Review
05/21/2010 75 FR 28636 28642 Initiation of 5-Year Reviews of 34 Species in California and Nevada; Availability of 96 Completed 5-Year Reviews in California and Nevada
  • Notice 5-year Review, Completion
Five Year Review
Date Title
02/16/2010 Blunt-nosed leopard lizard (Gambelia sila) 5-Year Review

» Critical Habitat

No critical habitat rules have been published for the Blunt-Nosed Leopard lizard.

» Conservation Plans

Habitat Conservation Plans (HCP) (learn more)
HCP Plan Summaries
ARCO Coles Levvee (ARCO Western Energy)
Cal. Dept. of Corrections Delano Prison
Cal. Dept. of Corrections Statewide Electrified Fence Project
Chevron Pipeline
Coalinga Cogeneration
EnviroCycle, Inc.
Granite Construction, Phase 1
Kern County Waste Facilities
Kern Water Bank
Metropolitan Bakersfield
Nuevo-Torch
PG&E San Joaquin Valley Operations & Maintenance HCP
Seneca and Enron Oil and Gas

» Petitions

» 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.