Instinctive behavior occurs when an animal has a particular internal state while it is in the presence of a specific external stimulation called a releaser or a sign stimulus.
47 Ships Sunk by Kamikaze Aircraft. by Bill Gordon. Sources differ regarding the number of ships sunk by kamikaze aircraft during World War II. Inoguchi (1958, 211-34) lists the names of 34 ships sunk by kamikaze attacks, and Warner (1982, 323-34) gives the names of 57 ships sunk by special attack aircraft. However, an examination of other historical records indicates that both of these two lists do not have the correct number of ships sunk by kamikaze.
Wilsonâs plea fell on deaf ears in Europe, and Germany escalated their submarine warfare, sinking any ship flying enemy colors. One of those ships was the British luxury ocean liner RMS Lusitania, which was torpedoed and sunk nearly 2,000 people, including 198 Americans on board.