The smartest dog in the world dies, and the dog has the strongest brain
4hw.com.cn: on July 23, chaser, a 15-year-old border shepherd who was once known as the world's smartest dog, died. John, its owner, developed a special training method and finally taught Charles 1022 words.
American media have reported on it and found that it can find unknown words by exclusion. When John died in 2018, Charles will be buried in his backyard with some of John's ashes.