The wood frog can be found throughout Alaska, and is the only frog to survive north of the arctic circle. It's claim to fame is the amazing ability to freeze solid in the winter, then thaw to life in the spring.
nps.gov
The wood frog is small, usually less than 3 inches, but it's call is a loud, quacking, "quock-quock-quock". You can listen to their call and help survey at the Alaska Wood Frog Monitoring Program.
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^Listen to this podcast on Alaska's amazing frog!^
Did You Know? The Charley River is the only completely protected watershed in National Park lands at 1.1 million acres. Arising at 4,000 ft of elevation, the Charley River runs 105 miles before emptying into the Yukon River 700 ft above sea level, for an average gradient of over 31 ft/mi.