Besides being dark and mysterious, crows are extremely intelligent birds. So smart, in fact, that it might be a little bit scary. Even though their brains are the size of a human thumb, their ...

A study of New Caledonian crows, which use sticks to fish beetle larvae out of tree trunks, shows exactly how advantageous tool use can be for animals. "Evolutionarily, animals that use tools have an ...

Some years ago, a bird researcher visited a famous institute that deals with primate cognition to give a talk. When the director of the institute introduced the bird researcher and his talk, he used ...