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Friends of the Rouge

More about the watershed
Frog

Frog & Toad Species Descriptions and Calls

Eight species of frogs and toads (seven frog and one toad species) have been confirmed in the Rouge River watershed. They are (click on the name for photo, species info and call):

An American toad

American Toad

The American toad is abundant all over the state and is the most commonly heard frog or toad species in...
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Bullfrog

Bullfrog

The state’s largest frog, the bullfrog, can grow up to 8 in. long and live up to 10 years. These...
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Eastern Gray Treefrog

Eastern Gray Treefrog

There are two species of tree frogs in southeast Michigan; eastern gray tree frogs and Cope’s gray tree frogs. Visually...
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Green frog

Green Frog

Green frogs are one of Michigan’s largest species, growing up to 6 in. long. They are widespread around the state...
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Northern Leopard Frog

Northern Leopard Frog

Once abundant throughout the state, northern leopard frog populations have been declining since the 1970s. The year 2001 may be...
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Spring peeper on grass

Northern Spring Peeper

The spring peeper is Michigan’s smallest frog (0.75 – 1.38 in. long) but is also the loudest. Peepers are found...
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Western Chorus Frog

Western chorus frogs are tiny frogs (0.75 – 1.5 in. long) found in open shallow vernal ponds. They can be...
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Wood Frog

Wood frogs are found in deciduous, mature forests and use temporary, shallow ponds for breeding activities. These frogs are medium...
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