Western Tiger Salamander

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  • Amphibian Conservation 

  • Wyoming’s Amphibians 

    • Northern Leopard Frog (Lithobates pipiens)

    • Wood Frog (Lithobates sylvaticus)

    • Columbia Spotted Frog (Rana luteiventris)

    • Boreal Chorus Frog (Pseudacris maculata)

    • American Bullfrog (Lithobates catesbeianus)

    • Wyoming Toad (Anaxyrus baxteri)

    • Western (Boreal) Toad (Anaxyrus boreas)

    • Rocky Mountain (Woodhouse’s) Toad (Anaxyrus woodhousii)

    • Great Plains Toad (Anaxyrus cognatus)

    • Plains Spadefoot (Spea bombifrons)

    • Great Basin Spadefoot (Spea intermontana)

    • Western Tiger Salamander (Ambystoma mavortium)

  • Calls of Wyoming's Frogs & Toads

  • Amphibian Survey Training Video 

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IDENTIFICATION (TERRESTRIAL ADULT)

• Only salamander in Wyoming
• Size: ~5.5 to 8 inches
• Dorsal color: black and dark green
• Variable mottling of yellow or olive blotches, stripes or spots
• Smooth skin, long tail

 

PAEDOMORPH (AQUATIC ADULT)

• Alternate adult stage resembles very large larvae (gills present)
• Size: ~8 to 12 inches
• Dark green or olive
• Often with small black spots or blotches

 

EGGS & LARVAE

• Eggs attached to submerged vegetation singly or in long clusters of 2-120 eggs
• Larvae are olive green with small black blotches, wide heads, and long, feathery gills

 

Egg photo by Charlotte Snoberger                                                        Larvae photo by Greene                          

 

BREEDING HABITAT

Permanent or temporary, natural or man-made ponds, pools, stock tanks, or backwater or slow-moving areas in creeks.

Photo by Wyoming Natural Diversity Database

 

NATIVE RANGE

Map by Wyoming Natural Diversity Database