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.
The first Victory ship launched in January 1944. In the last years of the war, 414 Victory cargo ships were built, and 117 attack transports. Because the German U-Boat threat had virtually disappeared by 1944, only two Victory ships were sunk by submarines, and three were sunk in the Pacific by Japanese kamikazes.