This funny, "extraordinary and thought-provoking" (The Wall Street Journal) book asks whether we are in fact the superior species. As it turns out, the truth is stranger--and far more interesting--than we have been led to believe. If Nietzsche Were a Narwhal overturns everything we thought we knew about human intelligence, and asks the question: would humans be better off as narwhals? Or some other, less brainy species?...