The New York Times Bestseller that explores animal intelligence and will alter the way we as humans view other species.
Have you ever wondered what it is like to be a fish? Or a parrot, dolphin, or an elephant? Do they experience thoughts that are similar to ours, or have feelings of grief and love? These are tough questions, but scientists are answering them. They know that ants teach and rats love to be tickled. They’ve discovered that dogs have thousand-word vocabularies and that birds practice their songs in their sleep. But how do scientists know these things?