Amos is a young male border collie mix. Cox says he is the most joyful dog he has ever met. Watch the video above to learn more about Amos and the Twin Falls Animal Shelter.

A border collie in Ponder, Texas, worked diligently, if fruitlessly, to track down the “other dog” after being startled by his own reflection. Video filmed by owner Kellie Harrington on February 7 ...