Doggone it, they grow up quickly! Video of puppy growing to adult in 40 seconds becomes cute YouTube hit

By DAILY MAIL REPORTER Happy birthday: Dunder the German Shepherd reaches one, having been photographed from eight-weeks old This short video shows a dog growing from eight-weeks old to one-year old in only 40 seconds.The YouTube clip shows pictures on the same spot of Dunder the German Shepherd over a period of ten months and has become an Internet sensation.The time lapse video was uploaded on