Northern Leopard Frog

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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)

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IDENTIFICATION

• Size: 1 inch (metamorph) to ~4.5 inches (adult)
• Dorsal color: bright green, olive or brown
• Large, dark oval spots with pale edging
• Skin is relatively smooth
• Ventral color: creamy white with no red present (on healthy frogs)
• Prominent pale dorsolateral folds from the eye down the length of the body
• Obvious tympanum (ear)
• Mp3 of call (courtesy of Gary Nafis, californiaherps.com; contact Gary for permission to post on other websites)

 

Top right photo by Bateson; Photos above by Greene

 

EGGS & TADPOLES

• Eggs in round cluster ~3 to 5 inches in diameter (see right)
• Eggs either on the bottom of or attached to vegetation
• Tadpole eyes are medial and anal vent is on the side

 

 

Egg photo by Wyoming Natural Diversity Database                                                       Tadpole photo by                                                                                                                                                    Charlotte Snoberger

 

BREEDING HABITAT

Shallow water in marshes and semi-permanent or permanent ponds (beaver ponds, stock ponds, etc.) or slow-moving backwater areas along rivers or streams.

 

NATIVE RANGE

Map by Wyoming Natural Diversity Database