Experts train border collie to learn the name of 90 different toys and fetch them on request
Whisky — a six-year-old border collie — has learned the names of 90 different toys on her own and can fetch them on request, researchers have found. The clever canine has learned to differentiate between balls, Frisbees, rings, or ropes — and can even categorise new toys into these groups. When the researchers first met … Read more