Why Crows Are As Smart As 7-Year-Old Humans
In the animal kingdom, intelligence has evolved in many different ways, in many different creatures. We often think of our fellow primates at the top of the intelligence list, with their ability to use tools like sticks and rocks to access food and their ability to recognize themselves in the mirror.
Intelligence seems to thrive in mammals that live in tight social groups, but if we survey the world of animals, one of the smartest is one that is perhaps unexpected – crows.
