NH Conservation Status: 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.) Mink frog is on page 48.)
State Rank Status: Vulnerable to extirpation
Distribution: Extreme Northern NH, north of the White Mountains
Description: A 1.5-3 inch greenish frog marked with irregular spots of molting along the back and hind legs. Often lacks ridges (but not always). When handled the mink frog may emit a strong “rotten onion” smelling odor. Webbing on toes of hind feet extends to last joint of 4th toe and to tip of 5th toe.
Commonly Confused Species: Green frog
Habitat: Found in cold water often on the borders of lakes and ponds and points where streams run into them. Often found in shallow open water with emergent vegetation, especially lily pads and pickerelweed.
Life History: Attaches a few thousand eggs to submerged aquatic vegetation during summer. Hibernates in deep permanent water.
Voice: A deep, low-pitched cut-cut-cut-cut-cut
Conservation Threats: Water pollution, acid precipitation
Mink frog call - click "play" triangle to listen:
Mink frogs can often be seen on lily pads in northern ponds and lakes. Photo by Pauline Quesnelle
Mink frogs have irregular dark molting on their back and legs. Photo - USGS