Answer to this week's riddle

Travis Hale

Again, the riddle:

It can freeze without dying, has a range from Ohio to above the Arctic Circle, is unique among Canadian and Alaskan creatures, and has mating call that sounds like a quacking duck. What is it?
 

Answer: The Eastern Wood Frog

Source: http://www.ohiohistorycentral.org/entry.php?rec=1037

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