John Pilley and his Border Collie, Chaser, exemplify the deep bond between humans and dogs. Chaser, known for her exceptional intelligence, learned nearly a thousand toy names through Pilley's dedicated training, demonstrating cognitive skills akin to a toddler. This inspiring story, blending affection and science, highlights the potential of exploring canine cognition and strengthens the understanding of the unique human-dog relationship. #bordercollie #dogs #animalbond #smartestdog #pets