Identify a wide variety of marine life, ocean going vessels, foreign flags, and more all at a glance! This beautiful, informative card is popular with boaters, cruise ship passengers, and whale watchers. Illustrated in color, it succinctly describes: whales, dolphins and porpoises (including behaviors and watching guidelines), sharks, sea turtles, seals, sea lions, sea birds, profiles of ships and boats, flags of maritime nations, buoys and distress signals.