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Wyoming Lizards: Identification Guide With Pictures

Last checked November 3, 2026 against official sources.

On this page
  1. All 11 lizards
  2. When they are active
  3. How to report
  4. About this list
  5. Sources

This page lists 11 lizards: all from Wyoming Game and Fish Department's Reptiles in Wyoming.

All 11 lizards

From A to Z.

Baur's Short-horned Lizard
Photo: Bob Walker · CC BY 4.0 · iNaturalist

Baur's Short-horned Lizard

Phrynosoma hernandesi bauri

Not stated

Venom
No official source we use states whether this animal is venomous. That does not mean it is harmless: do not handle it.
Conservation
Wyoming Species of Greatest Conservation Need (NSS4, Tier II)
Great Basin Skink
Photo: Logan J.L. Bradley · CC BY 4.0 · iNaturalist

Great Basin Skink

Plestiodon skiltonianus utahensis

Not stated

Venom
No official source we use states whether this animal is venomous. That does not mean it is harmless: do not handle it.
Conservation
Wyoming Species of Greatest Conservation Need (NSSU, Tier III)
Great Plains Earless Lizard
Photo: dconvertini · CC BY-SA 2.0 · Wikimedia Commons · resized

Great Plains Earless Lizard

Holbrookia maculata maculata

Not stated

Venom
No official source we use states whether this animal is venomous. That does not mean it is harmless: do not handle it.
Conservation
Wyoming Species of Greatest Conservation Need (NSSU, Tier III)
Greater Short-horned Lizard
Photo: Bob Walker · CC BY 4.0 · iNaturalist

Greater Short-horned Lizard

Phrynosoma hernandesi

Not stated

Venom
No official source we use states whether this animal is venomous. That does not mean it is harmless: do not handle it.
Conservation
Wyoming Species of Greatest Conservation Need (NSS4, Tier II)
Northern Many-lined Skink
Photo: B. P. White · CC BY-SA 4.0 · Wikimedia Commons · resized

Northern Many-lined Skink

Plestiodon multivirgatus multivirgatus

Not stated

Venom
No official source we use states whether this animal is venomous. That does not mean it is harmless: do not handle it.
Conservation
Wyoming Species of Greatest Conservation Need (NSSU, Tier II)
Northern Sagebrush Lizard
Photo: zookanthos · CC BY 4.0 · iNaturalist

Northern Sagebrush Lizard

Sceloporus graciosus graciosus

Not stated

Venom
No official source we use states whether this animal is venomous. That does not mean it is harmless: do not handle it.
Northern Tree Lizard
Photo: Jason Leduc · CC0 1.0 · iNaturalist

Northern Tree Lizard

Urosaurus ornatus wrighti

Not stated

Venom
No official source we use states whether this animal is venomous. That does not mean it is harmless: do not handle it.
Conservation
Wyoming Species of Greatest Conservation Need (NSS1, Tier II)
Plains Short-horned Lizard
Photo: Bob Walker · CC BY 4.0 · iNaturalist

Plains Short-horned Lizard

Phrynosoma hernandesi brevirostris

Not stated

Venom
No official source we use states whether this animal is venomous. That does not mean it is harmless: do not handle it.
Conservation
Wyoming Species of Greatest Conservation Need (NSS4, Tier II)
Plateau Fence Lizard
Photo: Robbie Hannawacker · CC0 1.0 · iNaturalist

Plateau Fence Lizard

Sceloporus tristichus

Not stated

Venom
No official source we use states whether this animal is venomous. That does not mean it is harmless: do not handle it.
Conservation
Wyoming Species of Greatest Conservation Need (NSS4, Tier III)
Prairie Lizard
Photo: Peter Paplanus · CC BY 2.0 · Wikimedia Commons

Prairie Lizard

Sceloporus consobrinus

Not stated

Venom
No official source we use states whether this animal is venomous. That does not mean it is harmless: do not handle it.
Conservation
Wyoming Species of Greatest Conservation Need (NSSU, Tier II)
Prairie Racerunner
Photo: Dominic · CC BY 4.0 · iNaturalist

Prairie Racerunner

Aspidoscelis sexlineata viridis

Not stated

Venom
No official source we use states whether this animal is venomous. That does not mean it is harmless: do not handle it.
Conservation
Wyoming Species of Greatest Conservation Need (NSSU, Tier II)

When lizards are active in Wyoming

Records of lizards in Wyoming peak in May to June and August. They show when people record lizards, not how many there are (about month bars).

61 records of lizards in Wyoming by month (GBIF, CC0 and CC BY records).

How to report

Report mountain lion sightings to Wyoming Game and Fish at 1-877-WGFD-TIP (or the non-emergency police line). Rare or interesting nongame birds, mammals, amphibians and reptiles can be reported to the WGFD Nongame Section through its "Report an Observation" form. Wyoming Game and Fish Department

About this list

The species list comes from Reptiles in Wyoming (WGFD species list, data from WYNDD Data Explorer) (Wyoming Game and Fish Department, Last modified 01-22-2023; data 01-19-2024).

Venom labels come only from official sources and link to them; "Not stated" never means harmless. How labels work.

Sources

  1. Nongame Wildlife. Wyoming Game and Fish Department. no page date shown; checked November 3, 2026.
  2. Reptiles in Wyoming (species list). Wyoming Game and Fish Department. Last modified on 01-22-2023; checked November 3, 2026.
  3. Mountain Lions in Wyoming. Wyoming Game and Fish Department. no page date shown; checked November 3, 2026.
    Quoted passages (1)
    “Please report sightings to Game and Fish at 1-877-WGFD-TIP or the non-emergency Police Department phone.”
  4. GBIF.org occurrence records, human observations licensed CC0 1.0 or CC BY 4.0 only, accessed November 3, 2026. The datasets behind these counts are listed on our Sources page.