How magnets connect with letter pigeon? By china-magnets-source-material.com

Magnet material also brings us many unexpected pleasure.

We all know letter pigeons, but seldom person know why the letter pigeons are good at recognizing the road to home. If let the pigeons fly away for hundreds of kilometer, they still can get home safe.

Why the pigeons can do this?

In fact, the pigeons are sensitive to earth magnetic field. They can estimate and position themselves by the strong and weak of earth magnetic field in the different place. If we bind magnet on the head of the pigeons, they will disorientation. If they overfly radio towers, powerful electromagnetic interference will also make them become disoriented.