Clever Dog Learns to “Pay” for Cookies With a Leaf After Watching Students Use Money
Dogs are highly intelligent creatures—and the smartest ones learn things by simply observing the world around them. A perfect example of this is a black dog named Negro who lives in a school in Colombia. He is a guardian, keeping an eye on students in their daily routine, which the school authorities have rewarded by providing him with food, water, lodging, and a lot of love.