Tiny Wood Frogs Survive Winter By Partially Freezing Their Bodies

Jennifer Farrell
Thu, 19 Mar 2015 13:08:22 -0700

Most animals that hibernate during cold winter months have thick coats of fur or layers of fat to protect them. However, the Rana sylvatica species of the wood frog that can be found in Alaska and the Arctic Circle has neither. Therefore this tiny amphibian has adapted by freezing and thawing itself depending on the external temperature.