Other examples include: 1  Some mating dances, commonly carried out by birds, are examples of fixed action patterns. 2  In these cases, the sign stimulus is typically the presence of the opposite sex. 3  Kelp gull chicks are stimulated by a red spot on the mother's beak to peck at the spot, which induces regurgitation.
Norwegian's 13-ship fleet sails all over the world, with 2015 itineraries lasting anywhere from one to 45 days. The cruise line's most popular routes include Hawaii, Alaska and the Caribbean, with home ports in U.S. cities like Honolulu, Los Angeles, Miami, New York and Seattle.
---ADVERTISEMENT---. Weighing around 153,000 tons, Norwegian Cruise Lineâs Epic is the 4th largest cruise ship operating in the world today. She made her maiden voyage in June of 2010, when she crossed the Atlantic to make a stop in New York City before taking up residence in Miami for a season of Caribbean cruises. Although there [â¦]