wood frog

US /wʊd frɑːɡ/
UK /wʊd frɑːɡ/
"wood frog" picture
1.

a species of frog (Lithobates sylvaticus) found in North America, known for its ability to survive freezing temperatures by producing a natural antifreeze in its body

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The wood frog can be found in forests across North America.
A unique adaptation of the wood frog is its ability to freeze solid and then thaw.