In the United States, an extraordinary dog died: she knew more than a thousand words, performed hundreds of commands, and could even determine the color and size of an object by ear, reports lentachel.ru.
Broder Collie named Chaser belonged to the American psychiatrist John Pilly, who, already retired, was enthusiastic about raising and training a puppy. Classes were held every day for several hours and for good reason - the dog showed tremendous success.
Chaser distinguished by ear, by command, the color and size of an object, for example, golf balls from balls for other games, he knew by the names of all family members. That is why he was considered the smartest dog in the world.
After the death of the owner, Chaser became sad and died a year later at the age of 15.
