A "wood frog" refers to a type of frog that lives in the forest and is known for its ability to freeze solid and then thaw back to life. Full definition
As wood frogs freeze, they draw in their legs and tuck their digits under their body. (discovermagazine.com)
And in the case of wood frogs, other factors are also at play. (sciencedaily.com)
Similarly, they found higher than average rainfall in areas that typically experience lower annual rainfall saw positive effects on wood frog population growth. (sciencedaily.com)