1/30/2024 0 Comments Frogs hibernateUniversity of Minnesota Press, Minneapolis. The gray treefrog, Cope’s gray treefrog, spring peeper, boreal chorus frog and wood frog all take this approach. The most common method of winter survival among frogs in Three Rivers is to freeze in the leaf litter. They tend to stay within a couple of inches of the frost line and will move up and down throughout the winter as the frost line changes. They will burrow anywhere from 6 inches to over 3 feet deep.Īmerican toads cannot freeze and survive, so they need to stay below the frost line all winter. How deep they go varies from year to year depending on the temperatures and snow cover. American toad. Photo courtesy of: Moriarty and Hall. They burrow in sandy soil below the frost line, using their back feet to do the digging. Burrowing Below the FrostĪmerican toads are the only species in Three Rivers that spend the winter underground. ![]() The frogs in Three Rivers have three hibernation strategies: bury on land, freeze in the leaf litter, and spend the winter under water. ![]() This is partially true for some species, but not for most of the species we find in Three Rivers. Many of us have learned that frogs spend the winter buried in the mud at the bottom of a lake. ![]() While all of them stay in Minnesota for the winter, they have very different approaches to surviving the cold. There are 14 species of frogs and toads in Minnesota, and eight of them can be found in Three Rivers Park District.
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