While looks may be deceiving, the roommate told Newsweek she knows the animal is a Border collie mix based on the dog's energy.

Border Collie Playing With Friends at Daycare Wins Pet of the Week. ... an 8-year-old chihuahua and miniature Italian greyhound mix with long legs and a big personality.

A 6-year-old pup named Nimble from Ellicott City, Maryland, has moved into the history books, becoming the first mixed-breed dog to win the agility competition at the Westminster Dog Show.