Mink frog - Rana septentrionalis
Size: 2 -2 3/4 inches (5.1-7 cm)
Voice: A rapid cut, cut, cut resembling a hammer striking wood. When mink frogs call in chorus it sounds like horses' hooves on a cobblestone road. Males have paired vocal pouches.
Identification: Similar to the green frog, although dorsolateral folds may be absent, partial, or prominent. The skin produces a musky odor similar to the scent of a mink when the frog is handled.
Life stages: Up to 4,000 eggs are laid in loose clusters. Tadpoles transform in one to two years, reaching maturity in two to three additional years.
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Range map for Mink frogs.
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Breeding habitat: This highly aquatic frog breeds in permanent ponds and lakes of the north woods.
Summer habitat: Inhabits borders of forested ponds and lakes where water lilies are plentiful. Individuals frequently move about by hopping from pad to pad.
Winter habitat: Aquatic.
Photo: ©B. Oldfield.
