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.
Fitzgerald is among the largest and best-known vessels lost on the Great Lakes but she is not alone on the Lake Superior seabed in that area. In the years between 1816, when Invincible was lost, and 1975, when Fitzgerald sank, the Whitefish Point area had claimed at least 240 ships.