The dog Negro does not have a home, he spends his days on the campus of a university in Colombia. Teachers and students know him well, because he appears in the educational institution every day and treats people very friendly.
Workers and students often bring food to Negro, and he thanks them by looking after things and keeping the guards company at night.
Negro often drops in on the training of university sports teams, chasing the ball and raising the spirits of the athletes. Most people were struck by one of the actions of the dog, which showed that he has a fair amount of intelligence and powers of observation.
The dog has noticed many times how people buy their lunch from the buffet on campus. Of course, the dog had no idea what money was and how to pay with it, but he understood that by giving slips of paper to the barman, people get something tasty in return.
The dog decided that instead of paper, with the same success, you can use the leaves that have fallen from the trees. Negro picked up the most beautiful, in his opinion, sheet from the ground, and went to the sideboard. For his leaf, he wanted to buy something tasty. The behavior of the animal delighted the seller, he fed the dog.
Negro was very happy that he had succeeded in everything, and since then he began to sometimes come to the buffet with leaves in his teeth, exchanging them for food.
