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Northern Leopard Frog (Lithobates pipiens)

Northern Leopard FrogNH Conservation Status: Species of Special Concern, Wildlife Action Plan Species in Greatest Need of Conservation.


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: View a map showing the towns where this species is reported to occur in NH PDF Document



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.