Northern leopard frog

Northern Leopard Frog

(Rana pipiens)

NH Conservation Status: Species of Special Concern, Wildlife Action Plan Species in Greatest Need of Conservation. (Click here to download the Reptiles and Amphibians section of the NH Wildlife Action Plan. (PDF, 1.5 MB.) Northern leopard frog is on page 50.)

State Rank Status: Vulnerable to extirpation or extinction

Distribution: Throughout NH

Description: A 2-3.5 inch slender brownish or green frog with 2 or 3 rows of irregular rounded dark spots with pale borders.  Also has a light line on the upper jaw.

Commonly Confused Species: Pickerel frog has squarish dark spots and bright yellow or orange inner thighs.

Habitat: May be found in slow streams, marshes, bogs, or ponds.  During summer most often found in wet meadows or fields associated with river floodplains. 

Life History: Lays up to 6,000 eggs in oblong masses in shallow permanent water.  Hibernates underwater or in caves. 

Voice: A deep, guttural snore followed by several clucking notes

Conservation Threats: Habitat loss, pollution

Distribution map: Click here for a map showing the towns where this species is reported to occur in NH

Northern leopard frog call - click "play" triangle to listen: 
northern leopard frog
Leopard frogs have rows of irregular rounded spots and a light line on the upper jaw. Photo by Mike Marchand.
northern leopard frog
The leopard frog (pictured) is often confused with the more common pickerel frog, which has squarish spots and bright yellow inner thighs. Photo by Mike Marchand.
northern leopard frog
Leopard frogs are most often found in grassy floodplains near rivers and wet meadows. Photo by Mike Marchand.


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NH Fish and Game Dept.
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