In the TV series, because of the inconvenient information transmission, it is often seen that ancient people use letter pigeons to send letters to achieve rapid information exchange. Then why can the pigeons send letters? Do you believe that pigeons will not get lost?
In fact, the pigeons are gentle and cute, and the feathers are various in color. Many people like to raise it, and there are now millions of pigeon fanciers in Europe. The pigeon race is held internationally every year. After the pigeons are trained, they will send letters. Even in today’s highly developed communication technology, people still use the pigeons to deliver messages. In fact, the pigeon’s brain is developed, not only can train it to pass letters, but also train it to do more complicated work.
The pigeon’s nervous system and sensory organs are also well developed. The upper and lower eyelids of the pigeon can move, the cornea is raised, and there is a bone ring in the middle of the sclera, which can prevent the eyeball deformation caused by the change of air pressure during flight. In addition, the pigeons have a relatively complete vision adjustment mechanism, which makes it have developed vision and is suitable for high-altitude far-sightedness, so it has the ability to fly long distances.
The homing pigeons are always able to take off quickly, hovering in the air for a while, then flying towards the direction of their own pigeon nest or letter. The pigeons can accurately identify the direction, which is the necessary quality for them to undertake the duty of delivery.
Pigeons can send letters because they are good at identifying directions and can fly long distances without getting lost. But the identification of the pigeons by which direction is a mystery. Scientists are still looking for answers, and some people will soon be able to explain the mystery.