This is the greatness of Birds Pigeons

Pigeon is a very useful animal to human life. Starting from 2000 years ago, pigeons always used as a tool by Julius Caesar message delivery from the war arena. Pigeons are also used in World War II. Indeed, before the telegraph was invented in 1836, dove into the fastest way to deliver the message. How not? These birds can fly at speeds 40-50 miles per hour. Some pigeons were even able to fly 600 miles in a day! Amazing ability is what makes the dove has always been a 'postman' for humans. However, the question is how pigeons can fly as far back after hundreds of miles?
Questions about the ability of pigeon navigation is always a debate among researchers. Various studies conclude that the results also vary. Based on research conducted by Dr. Charles Walcott of Cornell University found that pigeons have a strong instinct in finding direction. Sensitivity to a high enough magnetic force and its ability to read the direction of the sun is what helps pigeons menemukam way home.
Ability in knowing the pigeons become a kind of map of the magnetic force is able to make the trip homing pigeons to distinguish the north, south, west, and east. However, how pigeons can detect magnetic fields? According to research conducted by Rosthina and Wolfgang Witschko, pigeons can detect magnetic fields with the ability of a very sharp eyes. Vision capabilities are very good pigeons. He was able to see colors as well as ultraviolet rays, which can not be seen by humans.
Besides the ability to detect magnetic fields as well as the reading direction of the sun, other studies also complement the mystery surrounding the strength of this pigeon navigation. Hans Wallraff revealed that navigational ability of pigeons are also derived from the spatial distribution of odors in the Earth's atmosphere. This is confirmed by the experimental conditions the elimination of odors in their home cage where the bird makes its nest of birds are frantically looking for though he had a visual image. However, about which the most correct results that can unravel the mystery kecedasan pigeon is still not well established. Researchers around the world are still trying to reveal it.