American bulldog (not johnson lines)


blue lacy working cattle


catahoula leopard dog working a hog


Blue show border collie


brown and white border collie


Next 5:
2 dogs playing Tug with each other
Aussie catching frisbee in air
Husky next to a horse
Husky skijoring with another dog (not another Husky though)
Alaskan Klee Kai