I and II and the Korean War. Cher Ami is not the only pigeon whose amazing flights were documented during the World Wars. Pigeon Facts Pigeons pair for life, and both parents care for their young. Pigeons flock in large numbers in order to protect themselves against cats, hawks, owls, and rats. Even so, up to 35 percent of a pigeon population may perish annually from natural causes and predators.
Pigeons naturally stabilize their own populations in accordance with food supply and other factors.
Many city residents and visitors find pigeons pleasant and interesting. Pigeons are amiable and give human city dwellers the welcome chance to interact with a species other than their own. These birds are very intelligent. Pigeons commit new images to memory at lightning speed. . . . The Coast Guard trained pigeons to peck a key when they spot the bright orange color used for life vests.