A year after a "morbidly obese" dog froze to a Wisconsin sidewalk, the border collie mix has lost 40 pounds and is slowly returning to an active lifestyle. Jiffy is still portly, but his owner said he's finally moving "like a regular dog." The dog weighed about 120 pounds when he froze to the sidewalk in December 2008 in single-digit temperatures. His dense layers of fat probably helped him survive.

Afterward a court ordered Jiffy's owner to give him up.

Patty and Peter Geise of Sheboygan Falls said when they adopted Jiffy, he could barely step over a 4-inch-high pipe. Even then he had to rest afterward.

The Sheboygan Press reported that now he walks a mile at a normal pace.

Patty Geise said it's rewarding to see how much Jiffy has improved.

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Information from: The Sheboygan Press, http://www.sheboygan-press.com