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Frog Facts: Wood Frog

Wood Frog - Photo by John White

So, where have Wood Frogs been all winter? Despite the cold temperatures, they stick it out all winter long, taking cover under fall’s fallen leaves. Amazingly, Wood Frogs survive being frozen by increasing their blood glucose levels, which acts as an antifreeze. Soon, once temperatures reach around 50 F, these frogs will begin breeding and making their hoarse, duck-like call. Wood Frogs may be found in the cool, moist forests of northern, western, and southwestern Virginia.

This is a part of our Virginia is for Frogs campaign, where we’ll be sharing a frog fact-of-the-week all year long.

Guide to Frogs and Toads of Virginia Cover and CDWant even more frog facts? Check out our Guide to the Frogs and Toads of Virginia, available from, a 44-page field guide that covers all 27 species of frogs and toads that inhabit Virginia. Their calls have been captured on a high quality CD that can be easily listened to in the field, classroom or at home!

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  • February 6, 2015