The sperm whales squid-heavy diet turns their feces that color, so it is easy to mistake for blood. Scientists knew sperm whales used “defensive defecation” but had never witnessed it during ...

Yet unlike Herman Melville's mostly fictitious albino sperm whale, which had only Captain Ahab to deal with ... At birth, beluga whales are 5 feet long, roughly 100 pounds, and dark blue-gray in color ...