Sailor is a border whippet (a cross between a border collie and a whippet). These dogs have loving, social personalities, in addition to their intelligence, high energy, and athleticism.
来自MSN7 个月
Border Collies
A border collie was chosen to play Fly—a dog who teaches a pig to herd sheep—in the film "Babe." Border collies frequently top lists of the world's smartest dogs.